A Hezbollah supporter burns tires, closing for a second day the highway to Lebanon's international airport during a protest in Beirut, Lebanon, Thursday, May 8, 2008. Shiite supporters of Iranian-backed Hezbollah and Sunnis backing Lebanon's U.S.-backed government clashed for a second straight day Thursday as the sectarian confrontations in Beirut spread to other parts of the country. (AP Photo/Hussein Malla)
