(KUNA) -- Iraqi police arrested 12 armed men on Wednesday among them members of Al-Qaeda in Iraq in an operation called "Lions" in the city of Mosul.A statement by Iraqi police chief, Brigadier Watheq Al-Hamdani said Iraqi forces arrested the gunmen in a security operation which started last night. Al-Hamdani added large amount of weapons and car license plates were seized. The gunmen use the license plates for deception, kidnapping, and killing operations, the police chief said. Al-Hamdani also said those arrested included a group known as the "sniper group".