Warzone April 18, 2011: Misrata, Libya

A rebel fighter stands near the front lines on Tripoli Street in downtown Misrata April 18, 2011 in Misrata, Libya.

A Libyan protestor looks back at his comrades during heavy clashes with fighters loyal to Moamer Kadhafi in Tripoli street in central Misrata, 120 kms (75 miles) east of Tripoli, on April 18, 2011

A Libyan rebel takes cover behind a destroyed military vehicle during heavy clashes with fighters loyal to Moamer Kadhafi in Tripoli street in central of Misrata, 120 kms (75 miles) east of Tripoli, on April 18, 2011 as a doctor reported 1,000 people killed in six weeks of fighting in the besieged city.

A Libyan rebel fighter runs to cross Tripoli street during heavy clashes with fighters loyal to Moamer Kadhafi in central Misrata, 120 kms (75 miles) east of Tripoli, on April 18, 2011

A Libyan rebel celebrates in relief after crossing Tripoli street (R), a hub of heavy clashes with Moamer Kadhafi loyalist fighters, in the centre of Misrata, 120 kms (75 miles) east of Tripoli, on April 18, 2011 as a doctor reported 1,000 people killed in six weeks of fighting in the besieged city.

An armed civilian peeks around a wall at pro-government forces at the front lines on Tripoli Street in downtown Misrata April 18, 2011 in Misrata, Libya. Tripoli Street once was Misrata's posh main avenue for shops and expensive apartments. Now weeks of house-to-house battles between forces loyal to Libyan ruler Moammar Gaddafi and rebels have left it in ruins. Fighting continues between Libyan government forces that have surrounded the city and anti-government rebels ensconced there, as the Libyan uprising enters its third month.

A Libyan rebel holds two tails of "cluster shells" as he shows them to comrades during heavy clashes with fighters loyal to Moamer Kadhafi in Tripoli street in central Misrata, 120 kms (75 miles) east of Tripoli, on April 18, 2011

A Libyan shop owner who became a rebel stands in front of his bullet-riddled shop in Benghazi street after returning from heavy clashes with fighters loyal to Moamer Kadhafi in Tripoli street in central Misrata, 120 kms (75 miles) east of Tripoli, on April 18, 2011