"Blast rips through supermarket in Russia's St. Petersburg, 10 hurt"
Last Wednesday, an explosion occurred in a supermarket in St. Petersburg, Russia, injuring 10 people. The explosion had a force equivalent to 200 grams of TNT and was caused by a homemade bomb that had been stored in a public locker area. The immediate motive of the attack is unknown.
From Reuters News. Full story here: https://www.reuters.com/article/us-russia-blast/blast-rips-through-supermarket-in-russias-st-petersburg-10-hurt-idUSKBN1EL1DF
Update: "Suspect detained in market explosion in St. Petersburg, Russia"
An unnamed person has been identified and detained by Russia's Federal Security Service.