St. Petersburg Metro

Russia’s Federal Security Service (FSB) has just arrested the elder brother of a man arrested for his role in organising the deadly terrorist attack on the St. Petersburg Metro earlier this month.
Abror Azimov was arrested two days ago. He was in possession of a gun at the time of the arrest. He has since denied realising he was involved in organising a terrorist attack.
Today, his brother Akram Azimov was apprehended at a bus stop by FSB officers. He was in possession of a RGD-5 field grenade at the time of his arrest.
According to a statement from the FSB,

Russia’s Federal Security Service (FSB) has arrested one of the organisers of the deadly St. Petersburg Metro terrorist attack.
The man named as Azimov Abror Akhralovich appears to be Central Asian.
The suicide bomber responsible for the 3 April attacks was originally from Kyrgyzstan.
The FSB released a statement on the arrest saying,

UPDATE:
Confirmed photos of the attacker are all over Russian news channels…

Russian news agencies are now reporting that an unnamed source has alleged that the organizer of the blast in the St.Petersburg metro was captured on CCTV.
This is a developing story…

“Alleged organizer of the explosion was captured on surveillance camera in metro.”

Via Sputnik News…

At least 10 people have been killed and 50 people have been injured after a suspected IED detonated inside a metro car in the Russian city of St. Petersburg Metro.
Below is first video footage taken taken from inside Sennaya station in the center of St. Petersburg. The footage shows people desperately looking for injured victims on a blue underground train.
The train’s door and windows appear have been blown apart by what looks like a massive explosion.
Blood alongside the metal debris is scattered on the station platform.