1. ITV Report

Man arrested after small explosion at Tube station

A man was arrested after a small explosion at a London Underground station believed to have been caused by a faulty drill battery.

Emergency services at Southgate Tube station last night

The 23-year-old, from Enfield, north London, has been released by police under investigation.

Five people were injured after the explosion at Southgate Tube station on Wednesday night.

A man on a packed escalator said some people had been trampled as they tried to escape.

A few people got trampled on on the escalator. There was screaming.

An old woman got trampled on. I had to carry a woman up the stairs. I think she was in shock to be honest. She couldn't walk, shaking.

– James Ayton, passenger