Police are appealing for information following a third-party report of a potential robbery in Bramley.
The alleged incident took place on Thursday 4 April between 1.45pm and 2.15pm, on the canal towpath at Bramley Fall Woods.
A member of the public called police after a man approached him to say he had been robbed by two males in possession of knives.
Officers attended and a 16-year-old male and 20-year-old man were arrested nearby.
Detective Sergeant Khan, of Leeds CID, said: “Although no victim has come forward yet, we are appealing to trace the man involved who alerted the member of the public.
“There is no suggestion anyone was injured in this incident, and our enquiries remain ongoing in the area and to determine if a robbery took place.
“I would appeal for anyone with information or anyone who witnessed any suspicious behaviour in the area to get in touch."

Controversial 500MW Solar Farm Spanning Milton Keynes and Northamptonshire Approved Despite Environmental Concerns
Nine People Charged with 49 Offences Following Major Police Raids in Rochdale
Calderdale Youth Justice Service Praised for Supporting Young People Despite Inspection Rating
Bradford Driver Jailed After Ramming Police Car in Huddersfield
Labour Loses Control of Hounslow Council After Councillor Charged with Fraud
Manchester Communities Invited to Apply for Remembrance Sunday Grants
Keighley Women and Children’s Centre Completes Major Expansion
Milton Keynes Man Convicted of Daesh-Related Terrorism Offences
Leeds Bradford Airport Workers Announce 48-Hour Strike
Bradford Youngsters to Mark World Food Day with Cookery Challenge
Four Men Charged Following Series of Warrants in Rochdale
The Golden Era
Remix Saturdays
Alim OnAir
Bhangra Nights