Suffolk police are investigating an attempted robbery in Mallard Way, Ipswich, that took place around 9.55pm on Tuesday.
A 60-year-old man saw a man riding a bike and carrying two bags of shopping in Cambridge Drive.
A few minutes later the man approached the 60-year-old and demanded money.
The pair spoke briefly before the robber fled empty handed.
He is described as mixed race, in his late teens or early 20s, of slim build, around 5ft 6in tall with straight shoulder length black hair.
At the time he was wearing a light patterned shirt, dark trousers and dark jacket.
Anyone with information should call police on 101.
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