Rebels lose Ras Lanuf to Gaddafi forces
Heavy fighting forces rebels to withdraw from key oil town.
Government forces lead an air strike, hitting a checkpoint near the Ras Lanuf oil refinery, killing two rebels on March 11, 2011.
Nichole Sobecki
Rebels lost the key oil town of Ras Lanuf Friday after forces loyal to Libyan leader Muammar Gaddafi retook the ket oil town using air strikes, tanks and heavy artillery.