Turkish military killed 55 Islamic State (IS) members in Aleppo province of Syria, the armed forces said on Sunday.Turkish army on Saturday destroyed three vehicles and three rocket installations, Xinhua news agency cited an armed forces statement as saying.In a separate operation with the coalition forces on Saturday, 48 IS members were killed in northern Syria, the Turkish army said in a separate statement on Sunday.The IS attacks on settlement areas of Syrian opposition ended and the group has retreated, said the military.Turkish military destroyed a total of 2,144 IS positions in northern Syria and killed 807 militants, the Turkish army said earlier.Rockets fired from Syria have been landing in Kilis since mid-January, killing a total of 21 people including seven Syrians refugees and injured over 66 people, according to military figures.While Ankara said it was battling the IS as part of a US-led coalition, the extremist group also orchestrated a number of suicide bombings in Turkey's capital and Istanbul, leaving hundreds killed.