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Stock markets made gains and oil prices steadied Tuesday as investors tracked developments in the war in Ukraine and digested the US Federal Reserve chief's warning of more aggressive interest rate hikes.

Brazilian opposition lawmakers called Tuesday for an investigation of President Jair Bolsonaro and his education minister over accusations they inappropriately channeled federal funds to the political allies of two influential Evangelical ministers.

Released 50 years ago this week, "The Godfather" broke all box office records, won best picture at the Oscars and introduced millions of fans to a world of mafia bosses, murder-for-hire and cannoli.

Filled with mountains of sandbags and weapons at the ready, Kyiv is waiting.

Russia would only use nuclear weapons in the context of the Ukraine conflict if it were facing an "existential threat," Kremlin spokesman Dmitry Peskov told CNN International Tuesday.

The top trade envoys of the United States and Britain have not reached an agreement to end a dispute over metals tariffs, but vowed on Tuesday to keep negotiating.

President Joe Biden is seeking to reinforce Western unity at a series of summits in Europe this week where new sanctions will be announced against Russia over its war in Ukraine, a top US official said Tuesday.

British prosecutors on Tuesday hailed another conviction resulting from a years-long probe into a people smuggling operation that led to the deaths of 39 Vietnamese migrants in horrific conditions inside a lorry.

A top aide and ex-boyfriend of fallen Theranos founder Elizabeth Holmes went on trial Tuesday in California, with prosecutors arguing Ramesh "Sunny" Balwani was equally responsible for the massive fraud at the startup.

The Michelin Guide launched its 2022 edition on Tuesday, celebrating an increasingly green and diverse French food scene, as well as its resilience as it emerges from two difficult years of pandemic.

Among rolling hills around the southern tip of majestic Lake Kivu, huge layers of plastic waste ride the water and block the turbines of the largest hydroelectric plant in eastern Democratic Republic of Congo.

Former Wimbledon champion Boris Becker is deliberately withholding the trophies from his glittering tennis career, a London court was told on Tuesday.

Extracts of okra and other slimy plants commonly used in cooking can help remove dangerous microplastics from wastewater, scientists said Tuesday.

England batsman Jason Roy has been handed a suspended two-match international ban, the England and Wales Cricket Board announced on Tuesday.

Zlatan Ibrahimovic said Tuesday that Sweden fans should not expect too much of him in the World cup playoffs and that he was "panicking" at the prospect of retiring.

The consequences for the global financial system if Russia cannot pay its foreign debts are likely to be "limited," a senior IMF official said Tuesday.

Tesla CEO Elon Musk danced for joy at the inauguration of his "gigafactory" electric car plant near Berlin Tuesday, shrugging off two years of bureaucracy and delays to watch customers drive off with the first Model Y vehicles made in Europe.

Rafael Nadal said on Tuesday he would be out of action for between four and six weeks with a stress fracture of the rib.

Two "super powerful bombs" rocked Mariupol on Tuesday as Ukrainian authorities made a fresh attempt at rescuing civilians from the besieged port city which has suffered relentless shelling since Russia's invasion began almost a month ago.

A Russian journalist who for years was senior foreign correspondent for state-run television on Tuesday lashed out at the propaganda broadcast by pro-Kremlin media after dramatically quitting over the invasion of Ukraine.

A Russian court on Tuesday found jailed Kremlin critic Alexei Navalny guilty of additional charges and extended his sentence to nine years in a higher security prison as Moscow seeks to wipe out remaining pockets of dissent.

UN chief Antonio Guterres said Tuesday that it was time for Russia to end their "absurd war" in Ukraine, declaring the conflict "unwinnable."

Stock markets rose while oil prices steadied Tuesday as investors tracked developments in the war in Ukraine and digested the US Federal Reserve chief's warning of a possible sharp interest rate hike.

The US city of Miami Beach has declared a state of emergency and will impose a curfew this weekend to stem a wave of violence linked to the influx of revellers to Florida for spring break.

Crash investigators on Tuesday said they do not yet know why a China Eastern jet carrying 132 people plunged from sky, with recovery teams still scouring a forested mountainside for the flight recorders from the pulverised Boeing aircraft.

Six-time Grand Slam champion Boris Becker used his business account as a "piggy bank" to pay for luxury shopping expenses and school fees, a British court was told on Tuesday.

Ukrainian President Volodymyr Zelensky urged Italian lawmakers Tuesday to stop their country being a playground for Russia's elite, while warning food shortages sparked by the war risk a fresh migrant crisis.

An ultra-luxurious yacht owned by a Russian oligarch and former KGB officer may soon be on its way again after weeks of being refused fuel by Norwegians.

Pace spearheads Naseem Shah and Shaheen Shah Afridi knocked over eight wickets and restricted Australia to 391 before Pakistan ended day two of the deciding Test at 90-1 in Lahore on Tuesday.

A Russian court Tuesday found jailed Kremlin critic Alexei Navalny guilty of additional charges of embezzlement and contempt of court and sentenced him to nine years in prison as Moscow seeks to wipe out remaining pockets of dissent.

Six-time MotoGP world champion Marc Marquez is suffering from double vision again after falling heavily in the warm-up for last week's Indonesian Grand Prix, he said on Tuesday.

Stock markets advanced and oil prices steadied Tuesday as investors eyed possible progress in talks between Russia and Ukraine aimed at halting military action.