British Transport Police (BTP) officers are appealing for information after a sleeping passenger had her phone snatched from her hands on a Euston-Northampton train.
Investigators have released CCTV of a man they would like to speak to in connection with the theft, which took place on Monday, April 22.
PC Simon Cherrington, the investigating officer, said: “The victim, a 30-year-old from Northampton, boarded the train at Euston around 10.30pm.
“As she began to fall asleep on the train, she felt someone tug at her phone in her hands.
“As she woke up and opened her eyes she released her phone had been stolen and a man had ran off.”
Officers launched an investigation into the theft including viewing CCTV and speaking to witnesses on board the train.
PC Cherrington added: “We are keen to speak to anyone who was in the area at the time and who may be able to help.
“We are particularly keen to speak to the man pictured as he may have information which proves vital to our investigation.”
Anyone who recognises the man pictured or has information relating to the investigation is asked to contact British Transport Police on Freefone 0800 40 50 40 quoting reference B7/LNA of 28/06/13. Alternatively, call Crimestoppers anonymously on 0800 555 111.