CCTV cameras could play key role in finding Parsons Green attacker

The installation of CCTV cameras on the London Underground network could play a key role in finding the perpetrator of the Parsons Green explosion.
By The Newsroom
Published 15th Sep 2017, 18:13 BST
Updated 15th Sep 2017, 18:17 BST
A forensic tent on the platform at Parsons Green station in west London after Scotland Yard declared a terrorist incident following a blast which sent a "fireball" and a "wall of flame" through a packed London Underground train.A forensic tent on the platform at Parsons Green station in west London after Scotland Yard declared a terrorist incident following a blast which sent a "fireball" and a "wall of flame" through a packed London Underground train.
A forensic tent on the platform at Parsons Green station in west London after Scotland Yard declared a terrorist incident following a blast which sent a "fireball" and a "wall of flame" through a packed London Underground train.

S7 trains such as the one involved in Friday's incident have video cameras installed inside all seven carriages.

MORE: PM rebukes Trump over 'unhelpful' London bomb claim tweetThere are a total of more than 12,000 cameras across London Underground's stations and trains.

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The footage is managed and recorded locally, although British Transport Police say they can also view much of it at their hub to "develop intelligence about particular locations and suspects".

CCTV can allow them to "identify and follow suspects" and provide "powerful evidence in court", according to the force.

Detectives could scour footage from the tens of thousands of cameras across London as a whole in a bid to trace whoever is behind the blast.

Related topics:London UndergroundCCTVBritish Transport Police