Turkey downs drone as Syria launches Aleppo offensive

By Mariam Karouny and Orhan Coskun BEIRUT/ANKARA (Reuters) - Turkey shot down a drone on Friday in an incident highlighting the dangers of multiple air combat operations over Syria, where government troops and their allies backed by Russian jets have launched an offensive against rebels near Aleppo. The army offensive south of the city, backed by Hezbollah and Iranian fighters, further expands its 10-day-old counter-attack in western Syria against insurgents battling to overthrow President Basha