A 13-year-old boy had a £5 note snatched out of his hand as he was about to enter The Animal Zone shop in Lancaster.
It happened outside the Ullswater Road store at around 3.30pm on Thursday, October 17. The offender, described as a white man, slim, aged around 20, dressed in black jogging bottoms and a grey hooded top, then ran off towards Moor Lane.
PC Nikki Kay said: “This was clearly upsetting for the young boy and we are very keen to trace the person responsible.”
Contact police on 101.