is doing all he can to hold onto power. moammar gadhafi appeared on national tv a few hours ago to deny rumors that he'd left the country. even key members of his government are calling for gadhafi to step down. lara setrakian has more on the surging protests and the government's response. >> reporter: crowds gathered at the city square after rumors spread gadhafi had left the country. protesters say the military attacked them with lethal force. >> shooting fire, bullets and everything. >> reporter: angry demonstrators stormed the state television station, set fire to government buildings and the olympic square. in benghazi where it began, demonstrators reportedly took control of libya's second largest city. this video purportedly shows them celebrating, showing off heavy weapons they captured from the military. in the chaos, foreign companies, even u.s. embassy personnel, are evacuating.