Power outages in Lviv after strike

More now on the explosions reported in the western Ukrainian city of Lviv

The city is experiencing power outages following a Russian air strike, Lviv mayor Andriy Sadovyi says on Telegram, Qazet.az reports.

"Two power substations were damaged as a result of the missile strike - there is no electricity in part of the city," he says.

Trains have stopped at the entrance to Lviv and Russian military have shelled railway substations, causing delays, according to a Ukrainian railways statement.

"Due to enemy shelling of railway substations, a number of trains will run with a delay," it says, asking people not to leave shelters during air raid alarms.