by Ike A. Offor,
An explosion has ripped through the metro or underground station in St Petersburg, Russia killing 10 people and injuring 50 people.
The blast took place in Sennaya square station in between the station and the next station. A second explosive device was found in another metro station and has been disabled.
The witnesses who spoke with The Republican News reporter said that children were among the casualties in the explosion. Image show people leaving smoke-filled metro station.
St Petersburg has 67 metro stations and all metro stations have now been closed. An estimated 2.3 million people use metro in St Petersburg on daily basis.
It is not yet known who is behind this attack, whether it is an external terror attack or from within Russia. Russia has a lot of Islamic region which are sympathetic to ISIS in the Middle East. It has been reported that some fighters who fought in the ISIS conflicts have returned back to Russia.
President Vladimir Putin was earlier today in St Petersburg and was still in the city when the explosion occurred. Putin was born in St Petersburg and was there conducting a media conference with president of Belarus when the blast took place and was immediately informed.
Putin expressed condolences to the families of those who died. He also said that thorough investigation will be conducted to get to the bottom of it.