<p>St Petersburg: Two buildings were damaged and people were evacuated in Russia's St Petersburg on Saturday morning after local residents reported a loud explosion that blew out windows.</p><p>St Petersburg Governor Alexander Beglov said "an incident" had taken place in the city's north-eastern district of Krasnogvardeyskiy. There were no casualties, but residents were evacuated from their apartments, Beglov said, without explaining the cause of the incident or its nature.</p><p><em>Reuters</em> video taken at the scene showed a damaged facade of a building with blown-out windows, damaged balconies and shattered glass and debris on the ground.</p><p>Citizens of the damaged houses told <em>Reuters</em> that they heard some strange sounds followed by a blast and a fire.</p><p>"I first heard a whistle, because I had just opened the window, then a pop, a blaze and a full apartment of smoke, the window flew out," local resident Elena told <em>Reuters</em>. She said this happened after 0700 local time (0400 GMT).</p><p>Russian media outlets reported that the incident could have been caused by a downed Ukrainian drone, which was heading towards a nearby fuel depot. There was no official confirmation of this from Russia authorities or state media.</p>
<p>St Petersburg: Two buildings were damaged and people were evacuated in Russia's St Petersburg on Saturday morning after local residents reported a loud explosion that blew out windows.</p><p>St Petersburg Governor Alexander Beglov said "an incident" had taken place in the city's north-eastern district of Krasnogvardeyskiy. There were no casualties, but residents were evacuated from their apartments, Beglov said, without explaining the cause of the incident or its nature.</p><p><em>Reuters</em> video taken at the scene showed a damaged facade of a building with blown-out windows, damaged balconies and shattered glass and debris on the ground.</p><p>Citizens of the damaged houses told <em>Reuters</em> that they heard some strange sounds followed by a blast and a fire.</p><p>"I first heard a whistle, because I had just opened the window, then a pop, a blaze and a full apartment of smoke, the window flew out," local resident Elena told <em>Reuters</em>. She said this happened after 0700 local time (0400 GMT).</p><p>Russian media outlets reported that the incident could have been caused by a downed Ukrainian drone, which was heading towards a nearby fuel depot. There was no official confirmation of this from Russia authorities or state media.</p>