Four people have been killed and another 19 injured in a mass Russian drone attack on the central Ukrainian city of Dnipro, the regional head has said.Serhiy Lysak said a restaurant complex and several residential buildings were ablaze after the attack late on Friday.

A mass Russian drone attack killed four people, injured 19 and sparked a large fire in a hotel and restaurant complex and other buildings late on Friday in the southeastern Ukrainian city of Dnipro, the regional governor said.

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.