MOSCOW, December 29. /TASS/. Explosions that rocked the city of Lvov in western Ukraine caused a critical infrastructure facility to catch fire, Mayor Andrey Sadovoy said.

"A critical infrastructure facility is on fire in Lvov," he wrote on Telegram.

According to the mayor, emergency teams are working at the scene.

Earlier, explosions were reported in Lvov, as well as in the cities of Kharkov and Cherkasy.