Everything we know so far about the St Petersburg metro explosions
Here’s what we know so far.
Twin explosions on subway trains in St Petersburg have killed 10 and injured 50, according to Russian News Agency Tass.
The blasts occurred around 3.30pm local time at Tekhnologichesky Institut and Sennaya Ploschad stations. Social media users began to post videos and pictures following the incident, showing a city-centre subway station filled with smoke and the mangled doors of a train carriage hanging open.
Russian Senator Viktor Ozerov told Russian news agency Interfax that the explosion looks like a terrorist attack.
What are officials saying?
Andrei Kibitov, spokesman for the St Petersburg governor, told Russian television 10 people have been killed and 50 injured in the explosion.
Russia’s National Anti-Terrorism Committee has announced that security will be tightened at all critical transport facilities following St Petersburg blast.