BREAKING: Explosion injures seven people as police lock down city centre AN explosion inside a busy St Petersburg supermarket has injured 10 people and resulted in dozens more being evacuated from the area, according to reports.

AN explosion inside a busy St Petersburg supermarket has injured 10 people and resulted in dozens more being evacuated from the area, according to reports. BREAKING: Explosion injures seven people as police lock down city centre Who did it? Post updates!