British Transport Police has released CCTV images of two people it would like to speak to following an attempted robbery which took place on a train.

At around 8am on Sunday, June 9, on board a train from Burnley Manchester Road to Todmorden, two men approached a passenger and made threatening remarks, mentioning a knife, before demanding he hand over his phone, iPad and food.

Officers believe the men in the pictures may have information that could help with their investigation.

Anyone with information is asked to contact BTP by texting 61016 or by calling 0800 40 50 40, quoting reference 146 of June 9.

Alternatively, you can contact independent charity Crimestoppers anonymously on 0800 555 111.