The Bridgeport Police Department says it collected 20 firearms and one BB gun in a gun buyback event on June 18.

The event took place at the Community Services building on Sylvan Avenue.

Among the firearms were eight semi-automatic pistols and one AR-15 style rifle. The firearms were surrendered anonymously by members of the public, authorities say.

The Bridgeport Police Department, with support from The Council of Churches of Greater Bridgeport and Swords to Plowshares Northeast, were able to collect for destruction the following:

• Eight semi-automatic pistols

• Six revolvers

• Two shotguns

• Three rifles

• One AR-15 style rifle