St Petersburg metro explosions kill 10 At least 10 people were killed and around 50 injured after an explosive device was detonated on a metro train in St Petersburg 2.30pm (11.30am GMT): Blast hits train pulling out of Sennaya Ploshchad station, heading for Tekhnologichesk Institut Ploshchad Vosstaniya: Second device found before it could detonate Tekhnologichesky Institut Peter & Paul Fortress Neva River Winter Palace & Hermitage Alexandrovsky Park St. Isaac’s Cathedral St Petersburg RUSSIA 1km 0.6 miles Source: Wire agencies M M M