POLICE have recovered a firearm which was turned in by a public-spirited citizen on Wednesday after the weapon was found with four live rounds in Konawaruk Backdam, Mahdia.Enquiries disclosed that the citizen, who is a miner, was prospecting a plot of land when he came across a bag, which when checked found to contain a .22 semi-automatic pistol, a magazine and four live matching rounds. A Ballistic test will be conducted to ascertain if it was used in the commission of any crime, police said.