A gang of gunmen disguised in military-style uniforms and carrying forged arrest warrants killed 25 police Monday, then hoisted the battle flag of al Qaeda in a carefully planned early-morning shooting spree in western Iraq, officials said.

A gang of gunmen wearing military-style uniforms and carrying forged arrest warrants killed 25 police Monday, then hoisted the battle flag of al Qaeda in a carefully planned early morning shooting spree in western Iraq, officials said.