Defense Minister Gallant says 'window of opportunity created' for hostage deal ■ IDF believes it killed half of Hamas' military leadership ■ Reports in Gaza: 15 killed in strike on UNRWA school; 17 in Khan Yunis ■ Israeli arrested on suspicion of being contracted by Iranian intelligence ■ Palestinian reports: Exchange of gunfire between IDF and militants in the Balata refugee camp, West Bank
