The wife of former Venezuelan President Nicolás Maduro was set to be back in court Thursday, where her lawyers will urge a judge to free her from jail and put her under house arrest because she has heart problems.

Maduro and his wife Cilia Flores have been behind bars in New York since early January when forces seized them from their Caracas home in a middle-of-the-night raid.

U.S. Secretary of State Marco Rubio is in Portugal on the last leg of a three-nation tour of NATO allies.

Rubio arrived in Lisbon on Thursday for a brief stop on his return to Washington, a day after delivering a speech in the Greek capital of Athens urging European countries to save Western civilization by upholding the values and traditions of ancient Greece.

High school students across France launched a fresh day of protests on Thursday, despite government attempts to ease the crisis.

Amid a growing outcry, Interior Minister Laurent Nunez announced Wednesday that the model of stun grenade suspected of mutilating a teenager in Lens will no longer be used against high schoolers, in light, he said, of a "strong possibility" that such a weapon was involved in ripping off the pupil's hand.

At least 12 people were killed and 14 wounded on Thursday when Russia struck a bus in Kramatorsk near the frontline in eastern Ukraine, authorities said.

"According to preliminary data, 12 people were killed and another 14 were wounded. The number of dead and injured may rise," the local prosecutor's office said in a statement, posting photos of bodies and debris strewn across a road in front of the burning metal shell of a bus.

A seven-story building in Istanbul partially collapsed on Thursday, killing one person, officials said. Emergency crews were trying to reach at least three people that remained trapped inside.

The reason for the collapse was not immediately known and an investigation was underway. Rescue teams were working to reach those trapped even as there were warnings of a further collapse of the building.

South Korea said Thursday it will recall its ambassador to Ukraine in response to a deepening diplomatic row over the transfer of North Korean prisoners of war to Seoul.

"The government has decided to recall its ambassador to Ukraine. The government hopes that all outstanding issues between the two countries will be resolved amicably and will continue consultations with the Ukrainian side to that end," the foreign ministry said in a statement.

The western world must embrace "national power" and technological innovation or risk sliding into decline, U.S. Secretary of State Marco Rubio was set to warn on Wednesday during a visit to Greece.

A court Wednesday ordered ex-German spy chief August Hanning to remain jailed after his arrest on suspicion of espionage and treason, along with a former deputy who allegedly supplied him with secret files.

The mayor of Turkey's third-largest city defected to President Recep Tayyip Erdogan 's ruling party on Wednesday, giving it the mayoralty of the opposition stronghold for the first time.

Izmir had been led by the opposition Republican People's Party, or CHP, for more than two decades until Mayor Cemil Tugay joined Erdogan's Justice and Development Party, or AKP, at a ceremony at its headquarters in Ankara.

Russian missiles and drones pounded Kyiv and a dozen other Ukrainian regions overnight into Wednesday, killing at least 21 civilians, including four children, and wounding around 60 in Moscow's latest devastating barrage, Ukrainian officials said.

Ukraine had anticipated the attack, with President Volodymyr Zelenskyy warning the previous day that intelligence services had concluded that Russia was building up for a "massive" strike.