A man is wanted after a smartphone was snatched from a passenger on a bus travelling from Chorley to Preston.
The victim's phone was stolen some time between 4pm and 4.30pm on the 125 service from Chorley to Preston.
A police spokesman said: "We would like to speak to the male pictured in relation to theft of a mobile phone on the 125 bus.
"This occurred on Wednesday, March 13, at around 4pm to 4.30pm, somewhere between Chorley and Preston."
If you know this man, please contact the investigating officer with information at firstname.lastname@example.org