POLICE have revealed why one of their helicopters was seen flying above Bradford city centre on Friday.

Many Telegraph & Argus readers were concerned when they spotted the aircraft in motion throughout Friday.

The helicopter was circling over areas of the city centre and Little Horton.

Bradford Telegraph and Argus: The helicopter in the Bradford sky earlier todayThe helicopter in the Bradford sky earlier today (Image: Newsquest)

Police say the reason for this was an incident involving a knife on Smith Street, near the University of Bradford.

A man has been arrested and he remains in custody.

The force added that enquiries remain ongoing.

When asked why their helicopter was out, a spokesperson from West Yorkshire Police said: "Officers attended on Smith Street today (Friday) and arrested a male on suspicion of the possession of a bladed weapon.

"He remains in custody and enquiries remain ongoing."