Beirut - A Frenchman was killed Friday in an avalanche on a skiing trek on Lebanon's highest mountain peak, the Lebanese Army and Red Cross officials said.The man, whose name was not released, was with 10 other skiers, who escaped unharmed. After a four-hour rescue mission, Lebanese Army troops and Red Cross volunteers managed to reach the 10 tourists in the mountainous area of Qornet Sawda in northern Lebanon, the Lebanese Army said. The body…