UPDATE - The man's injuries were not as bad as police first thought, and are now consistent with a common assault. 

BTP officers are appealing for witnesses after a man suffered life-threatening injuries on board a train arriving at North Greenwich London Underground station.

The incident happened at 8.46pm on June 21.

The victim suffered a severe chest injury involving multiple broken ribs.

He has been taken to a London hospital where he remains. 

Officers are working to establish the circumstances that led to the incident. 

It is believed there had been an altercation between the victim and another man which led to the victim being thrown off the tube when it arrived at platform 3 at North Greenwich station.

Both the victim and the second man are described as white. 

Anyone who witnessed the incident, or the events leading up to it, is asked to contact BTP by texting 61016 or by calling 0800 40 50 40 and quoting reference 619 of 21/06/19.