Ankara: Seven persons were killed and eight others were wounded after a military helicopter crashed in Turkey, officials said. The Sikorsky S-70 was carrying senior military officers and members of their families, BBC reported. It came down in hilly terrain in Giresun province near the Black Sea on Tuesday. No cause of the crash has been given but the weather was poor at the time. "Seven of our companions in arms, their wives and children have lost their lives," the army chief of staff said in a statement, without giving details of the fatalities.