A plane carrying 21 people crashed on Monday in Nepal\'s northern Himalayas while trying to land. Fifteen people were killed, authorities said. Six survivors in critical condition were flown by helicopter to a hospital, AP said. The plane reportedly hit a mountain while it was turning around to land at Jomsom Airport. The wrecked aircraft did not catch fire. The plane might have suffered technical problems. It was carrying two pilots and a flight attendant along with 16 Indian and two Western passengers.