Iraqi forces punch into western Mosul, launch air strikes in Syria

By Stephen Kalin and Isabel ColesSOUTH OF MOSUL, Iraq (Reuters) - U.S.-backed Iraqi forces pushed into western Mosul on Friday after retaking the city's airport from Islamic State, as aid agencies warned the most dangerous phase of the offensive was about to begin for hundreds of thousands of civilians.Troops disarmed booby traps planted by retreating militant fighters in the airport, which the army plans to use as a base from which to drive Islamic State from Mosul's western districts and deal