Russian forces launched a massive drone attack overnight on Ukraine's Kharkiv region, injuring 21 people and damaging residential buildings and storage facilities, emergency services and officials said on Thursday.

The U.S. reached deals with Ukraine and Russia to pause their attacks over the Black Sea and against each other's energy targets, but it was not clear when and how the deals would come into force.

Swarms of Russian drones attacked Ukraine’s major cities overnight as President Volodymyr Zelenskiy prepared to join European leaders for a meeting in Paris aimed at reinforcing Kyiv’s position in any peace settlement.