A small explosion on a Tube at Tower Hill is not terror related, say police.
Passengers were evacuated from Tower Hill at lunchtime as flames appeared inside one of the carriages - writes itv.com.
Firefighters were called to reports of smoke on a train at Tower Hill underground station.
It was a small explosion believed to be caused by a mobile phone charger. There was no fire when firefighters arrived.
The Brigade was called at 1226. Fire crews from Dockhead, Shoreditch and Shadwell fire stations were at the scene.