Two men have been stabbed while travelling on a Tube train in north-west London.
The attack happened at 23:50 BST on Saturday on a Northern Line train at Belsize Park underground station.
British Transport Police said the men, aged 22 and 24, were taken to hospital in a non-life threatening condition.
Two men have been arrested and are being questioned in custody. A BTP spokesman said. “We believe there were a number of witnesses.”