By Olena Harmash KYIV, Feb 4 (Reuters) - Ukrainian and Russian negotiators began a second round of U.S.-brokered talks in Abu Dhabi on Wednesday, seeking to advance efforts to end Europe's biggest conflict since World War Two.

Some NATO countries worry using any version of the term “Article 5” for Ukraine defense could weaken its deterrence.

Ukraine has accused Russia of illegally targeting power infrastructure during the war to deny civilians light, heating and running water.

Envoys from Russia and Ukraine are meeting in Abu Dhabi for U.S.-brokered talks aimed at ending the nearly four-year war

Ukrainian and Russian negotiators begin a second day of US-mediated talks in the United Arab Emirates aimed at ending Moscow’s nearly four-year invasion of Ukraine.

Ukraine, Russia and the US concluded the second round of trilateral peace talks in Abu Dhabi on Wednesday, with Moscow agreeing to restart prisoner of war exchanges, Ukrainian President Volodymyr Zelensky said.

Brussels — European Union ambassadors on Wednesday approved details of a 90 billion euro loan for Ukraine, an initiative agreed by EU leaders in December to meet most of Kyiv's financial needs in 2026-2027 and keep up its fight against Russia's invasion. The ambassadors reached the agreement at a closed-door meeting in Brussels, diplomats said.