Armed police were out in Preston city centre on Saturday afternoon after reports of a man with a handgun.
AdvertisementThe incident around 3pm saw a man threatening a number of other men with a gun.
Firearms officers from Lancashire Police arrived at the scene, near Avenham Park, and the man was detained.
A BB gun was recovered from the scene.
Read more: Picture of woman released in connection with Preston fraud
A spokesman for the police said: “Potential consequences are obvious but few know these circumstances may result in an arrest.”