A teenage boy was beaten up and robbed at a railway station.
The 16-year-old, from Oswaldtwistle, was with his 14-year-old girlfriend when he tried to buy tickets from a self-service machine in Blackburn.
When he realised he needed change he approached two males stood nearby who attacked him shortly after he spoke to them.
British Transport Police said the two offenders, who were possibly Asian, threatened to use a knife in the attack at around 11.10pm on Saturday, October 27.
They went on to punch the boy and stole his cash and mobile phone.
Police are now looking through CCTV footage from the railway station to trace the attackers, who fled the scene.
Anyone who can help the police is asked to call 101.