BAGHDAD (AP) — U.S.-backed Iraqi forces fought their way into two villages near Mosul on Monday as the offensive to retake the extremist-held city entered its second week, but they faced questions over a suspected airstrike that hit a mosque, killing 13 people. The U.S.-led coalition said it had carried out six airstrikes near Mosul on Sunday, destroying 19 fighting positions and 17 vehicles, as well as rocket and mortar launchers, artillery and tunnels. The U.S.