As U.S. House of Representatives Speaker Nancy Pelosi headed to Taipei on Tuesday amid intensifying warnings from China, four U.S. warships, including an aircraft carrier, were positioned in waters east of the island on "routine" deployments.

At least 17 people were killed and dozens injured Wednesday when a train derailed near the central Iranian city of Tabas after hitting an excavator, state media reported.

S. Korea and the U.S. fired eight surface-to-surface missiles early on Monday off South Korea's east coast after North Korea launched a barrage of short range ballistic missiles on Sunday, a S. Korea defense ministry official said.

A powerful explosion killed more than 50 worshippers after Friday prayers at a Kabul mosque, its leader said, the latest in a series of attacks on civilian targets in Afghanistan during the Muslim holy month of Ramadan.

More than 1 million people have been evacuated from Ukraine into Russia since Feb. 24, Russian Foreign Minister Sergei Lavrov said in remarks published early on Saturday.

Ukraine said on Saturday its forces had seized back all areas around Kyiv, claiming complete control of the capital region for the first time since Russia launched the attack.

A Red Cross convoy traveling to the Ukrainian city of Mariupol will make another attempt to evacuate civilians from the besieged port on Saturday as Russian forces looked to be regrouping for new attacks in the southeast.

An air strike killed at least nine people, including two children, in the Ukrainian city of Sumy, where a humanitarian corridor was to be set up Tuesday, authorities said.

Ukrainian President Volodymyr Zelensky on Monday accused the Russian army of scuppering the evacuation of civilians through humanitarian corridors agreed after talks with Moscow.

Russian President Vladimir Putin said on Sunday his campaign in Ukraine was going according to plan and would not end until Kyiv stopped fighting, as efforts to evacuate the heavily bombarded city of Mariupol failed for a second day in a row.