KYIV, Feb 18 (Reuters) - Ukraine imposed sanctions against Belarusian President Alexander Lukashenko on Wednesday, vowing to "increase countermeasures" against Minsk for its wartime assistance to Russia.

Oil prices gained over 1% on Wednesday after falling in ​the previous session as investors assessed developments ​in Russia-Ukraine and U.S.–Iran ​talks.

The negotiations in Switzerland were the third round of direct talks organized by the U.S., after meetings earlier this year in Abu Dhabi that officials described as constructive but which also made no major headway.

By Karolos Grohmann and Julien Pretot MILAN, Italy, Feb 18 (Reuters) - Ukraine officials will boycott the Milano Cortina Paralympics next month over the participation of a handful of Russian and Belarusian athletes cleared to compete under their flags,

A delegation of U.S. senators was returning Wednesday from a trip to Ukraine, hoping to spur action in Congress for a series of sanctions meant to economically cripple Moscow and pressure President Vladimir Putin to make key concessions in peace talks.

A burned, twisted train car from a deadly Russian drone strike is set to arrive in Kyiv as a stark symbol of four years of war.

Russian 'mothership' drones prompt Ukraine to weigh passport requirement for SIM card sales * Explosion at Ukrainian military enlistment office declared terrorist