A suicide bomber struck an Iraqi army recruiting center west of Baghdad on Saturday, killing at least 15 people, police said. The attacker blew himself up while in the midst of a crowd of recruits about 10 a.m. in Abu Ghraib, a town on the western outskirts of the capital, police said. Those killed included five soldiers and 10 recruits, police said, adding that 22 people were wounded. Witnesses said guards spotted the bomber but he was able to detonate his explosives vest. Nobody claimed responsibility for the attack, but Iraqi security forces are frequently targeted by Sunni insurgents who accuse them of collaborating with US-led efforts to stabilize the country.