At least four people were injured after a blast took place in the Russian city of St Petersburg on Wednesday, reports agencies. No casualties are reported from the explosion that took place in a busy supermarket in city’s northwest Kalininsky district.
The cause of the blast is not known. The security personnel have cordoned the area and evacuated the crime scene.
The injured were shifted to nearby hospital for medical assistance. The local media reports that an investigating team is deployed on the grounds of attempted murder case.
No one has claimed responsibility for the explosion. Notably, 16 people died and more than 50 people were injured in a suicide bombing in St. Petersburg’s subway in April this year.
This is a developing story, more details awaited.