Police are appealing for information following a firearms discharge in Bierley Lane, Bradford.
At about 11.18pm yesterday, police were called following reports of a group of people fighting outside The Greenwood Inn public house.
Both callers mentioned that a gun and a knife had been seen.
Armed officers attended and found all quiet on arrival.
No injuries were reported.
Enquiries at the scene revealed that a firearm had been discharged. A vehicle was also found abandoned a short distance away.
A 21-year-old man was arrested on suspicion of firearms offences and remains in custody today.
The vehicle was also recovered.
Enquiries into this incident are at an early stage and anyone with information which may assist the investigation is asked to contact the Homicide and Major Enquiries Team on 101, quoting log *1931 of 27 June.
Bierley Lane remains closed between Newhall Road and Shetcliffe Lane while enquiries are continuing at the scene.
Police would like to thank motorists for their patience.