On May 4, a loud explosion was heard from the direction of the Azovstal steel plant in the occupied city of Mariupol. The Mariupol City Council shared a video of the incident on their Telegram channel.
"The loud explosion in the occupied city of Mariupol was heard in all areas of the city. It occurred from the direction of the Azovstal plant", - the message said. "In the video, we can see a helicopter belonging to the occupiers flying low over the Novosilka district, before turning towards the sea through the city center and towards Berdiansk. It was just before this that the loud explosion occurred at Azovstal".
It was previously reported that russian military forces were preparing for a "circular defense" of the occupied city of Mariupol.