Four people were hospitalized after a blast inside a store in the Russian city of St. Petersburg, state-run news outlet Tass reported Wednesday.
Russian President Vladimir Putin says Wednesday's explosion at a supermarket in the country's second-largest city was a terrorist attack, at least 13 people were injured. Alexander Klaus, head of the Investigative Committee of Russian Federation in St. Petersburg, confirmed the individuals had sustained non-life-threatening injuries and were admitted to hospitals. "At the moment, the lives of those injured are not under threat". Over a dozen people were murdered in the terrorist attack.
The incident took place in the Perekrestok supermarket, which is located on the ground floor of the Gigant Hall leisure centre in the city's northwest Kalininsky district.
This photo provided by the Information Center of the Russian National Antiterrorism Committee shows the damage inside a supermarket after an explosion, in St. Petersburg, Russia, Thursday, Dec. 28, 2017.
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"There was a bang".
Local news sources said that officials are treating the explosion - equivalent to over 200g of TNT as deliberate. "Emergency personnel are already on the scene".
The bomb was strong enough to blow the door off the supermarket and punch a hole in the wall.