Smoke rises after an Israeli strike hit Gaza City, northern Gaza Strip, Thursday, July 31, 2014.  Israel said Thursday it has called up another 16,000 reservists, allowing it to potentially widen its Gaza operation against the territory's Hamas rulers in a three-week-old war that has killed more than 1,300 Palestinians and more than 50 Israelis. (AP Photo/Lefteris Pitarakis)

Israel vows to destroy Hamas tunnels

Israeli attacks in the strip continued Thursday, with witnesses saying that munitions struck the Omar Ibn al-Khatab mosque next to a U.N. sc…