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Bergs wins Eastbourne final to clinch first ATP title
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Ravindra and Mitchell strengthen New Zealand's grip on England decider
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Iran warns challenge to Hormuz routes will spike Middle East tensions
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BIS warns 'pressure points' putting global economy at risk
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From rubble to music: Gaza's Oud repairman
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Ntamack aims to bring Toulouse Top 14 win 'energy' to Nations Championship campaign
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Cycling industry bets on smart bikes to boost sales
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'High-strung' camels race in Australian outback
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In Idaho, the next generation of US nuclear reactors nears reality
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Algeria and Austria reach World Cup knockouts after 3-3 thriller
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Africa the winner of expanded World Cup amid mixed fortunes for minnows
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DR Congo advance but Iran out as wild World Cup group stage wraps
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Asia's vendors grapple with rising costs of ever-present plastics
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Austria and Algeria reach World Cup knockouts after 3-3 thriller
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Messi scores again as Argentina head into World Cup last 32 on a high
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Where are they? Dogs disappear before South Korea meat ban
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Wissa proud to deliver World Cup joy to war-torn DR Congo
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China's bull wrestlers fight to keep tradition alive
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South Korea's 'dismal' World Cup ends in group phase
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England top group to set up DR Congo World Cup clash, Portugal held
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Colombia and Portugal through to World Cup last 32 after thrilling draw
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England moving on at World Cup but questions linger
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Wissa sends DR Congo into World Cup last 32 clash with England
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Venezuela quakes kill 1,400 as time running out to find survivors
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A painful wait by a pile of rubble in quake-hit Venezuela
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Australia World Cup goalkeeper Patrick Beach has beach named after him
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Tuchel delighted to have Bellingham in 'sweet spot' for England at World Cup
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Take brutally hot weather seriously, heatstroke survivor warns
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Bellingham says 'job done' but England must improve at World Cup
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Australia boosts shark-spotting drone coverage at Sydney beaches
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Trump threatens to annihilate Iran after new exchange of attacks
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Scotland boss Clarke resigns after World Cup exit confirmed
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Scotland boss Clarke resigns after World Cup exit confirmed: official
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Kane, Bellingham on target as England win World Cup group
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Kane, Bellingham on target as England clinch top spot
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Croatia battle past Ghana to sew up World Cup Last 32 spot
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Bellingham, Kane score as England beat Panama to reach World Cup last 32
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US, Iran clash, putting fragile deal under growing strain
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Canada's Davies 'available' for historic knockout clash
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Ryu takes one-shot lead over Henderson at Women's PGA Championship
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Hovland seizes one-shot PGA Travelers lead over Scheffler
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Jangoo and Chase put West Indies in control against Sri Lanka
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Mauvaka double inspires Toulouse to fourth-straight Top 14 in storm-impacted final
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World Cup star Gakpo requests privacy after death of unborn son
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Solidarity, sadness among Venezuelans made destitute by quake
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Aid planes landing at partially reopened Venezuela airport after quakes
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Iran says US violated peace deal as both sides attack
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Spain's Williams hits out at Uruguay over World Cup injury
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'We need help': Venezuelans furious at slow official response to quakes
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World's largest particle smasher halts for upgrade to boost hunt for dark matter
Russian poisonings aim to kill -- and send a message
Polonium, Novichok and now dart frog poison: the finding that Russian opposition leader Alexei Navalny was killed with a rare toxin has revived the spectre of Moscow's use of poisons against opponents -- a hallmark of its secret services, according to experts.
The neurotoxin epibatidine, found in Ecuadoran frogs, was identified in laboratory analyses of samples from Navalny's body, the British, Swedish, French, German and Dutch governments said in a joint statement released on Saturday at the Munich Security Conference.
"Only the Russian state had the means, motive and opportunity to deploy this lethal toxin," said Britain's Foreign Office, with the joint statement pointing to Russia as the prime suspect.
The Kremlin on Monday rejected what it called the "biased and baseless" accusation it assassinated Navalny, a staunch critic of President Vladimir Putin who died on February 16, 2024, while serving a 19-year sentence in a Russian Arctic prison colony.
But the allegations echo other cases of opponents being poisoned in connection -- proven or suspected -- with Russian agents.
In 2006, the Russian defector Alexander Litvinenko was killed by polonium poison in London. Ukrainian politician Viktor Yushchenko, campaigning against a Russian-backed candidate for the presidency, was disfigured by dioxin in 2004. And the nerve agent Novichok was used in the attempted poisoning of former double agent Sergei Skripal in the UK in 2018.
"We should remain cautious, but this hypothesis is all the more plausible given that Navalny had already been the target of an assassination attempt (in 2020) on a plane involving underwear soaked with an organophosphate nerve agent, Novichok, which is manufactured only in Russia," said Olivier Lepick, a fellow at the Foundation for Strategic Research specialising in chemical weapons.
- Toxin 'never been used' -
"To my knowledge, epibatidine has never been used for assassinations," Lepick added.
Until now, the substance was mainly known for its effect on animals that try to attack Ecuadoran poison dart frogs.
"It's a powerful neurotoxin that first hyperstimulates the nervous system in an extremely violent way and then shuts it down. So you'll convulse and then become paralysed, especially in terms of breathing," said Jerome Langrand, director of the Paris poison control centre.
But to the scientist, using this substance to poison Navalny is "quite unsettling".
"One wonders, why choose this particular poison? If it was to conceal a poisoning, it's not the best substance. Or is it meant to spread an atmosphere of fear, to reinforce an image of power and danger with the message: 'We can poison anywhere and with anything'?" he said.
- Russian 'calling card' -
For many experts, the use of poison bears a Russian signature.
"It's something specific to the Soviet services. In the 1920s, Lenin created a poison laboratory called 'Kamera' ('chamber' in Russian), Lab X. This laboratory grew significantly under Stalin, and then under his successors Khrushchev and Brezhnev... It was this laboratory that produced Novichok," said Andrei Kozovoi, professor of Russian history at the University of Lille.
"The Russians don't have a monopoly on it, but there is a dimension of systematisation, with considerable resources put in place a very long time ago -- the creation of the poison laboratory, which developed without any restrictions," he added.
Even if a poisoning can fail -- some targets survived, such as Yushchenko and Skripal -- it also serves to send a message, and acted as "a calling card" left by the Russian services, according to Kozovoi.
"Poison is associated in the collective imagination and in psychology with a terrible, agonising death. The use of chemical substances or poisons carries an explicit intention to terrorise the target and, in cases such as Litvinenko, Skripal or Navalny, to warn anyone who might be tempted to betray Mother Russia or become an opponent," said Lepick.
"A neurotoxin, a radioactive substance, or a toxic substance is much more frightening than an explosive or being shot to death."
H.Romero--AT