Video shows terrified London commuters after 2017 tube blast

CCTV footage released by the Metropolitan Police of the explosion on a London tube in September 2017 has been posted online. It comes as the trial of the teenage asylum seeker accused of launching the attack is underway.

The video shows the inside of a tube carriage at Parsons Green station. A sudden eruption of flames prompts terrified commuters to flee as quickly as they can.