Numerous strong explosions are heard in the center and on the outskirts of Kyiv on Monday.

The Kyiv city military administration reports on the work of air defense. "Air defense is working in Kyiv! Stay in shelters!" according to the Telegram channel of the capital's military administration.

Kyiv Mayor Vitali Klitschko also urged city residents to stay in shelters. "Explosions in the city! In the central districts. Stay in shelters!" he wrote on Telegram.