A mobile phone left on a wall on Barrow was taken by a group of teens.
Police are investigating the incident, which took place on Bridgegate Avenue, Barrow, at about 8.15pm on June 30.
The phone was reportedly taken by a group of five boys, aged about 15 or 16 years old.
One of the group was wearing a balaclava-type face covering with goggles, police said.
Anyone with information can report online at www.cumbria.police.uk/reportit, quoting incident 26 of July 3 or call 101.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.
