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SAN DIEGO — A big rig carrying 40,000 pounds of pork caught fire Monday on a freeway in East County.

The fire was reported shortly before noon, Lakeside Fire Protection District Chief John Hisaw said.

All westbound lanes of Interstate 8 were closed east Los Coches Road near El Cajon. By 6:30 p.m., all westbound lanes had reopened to traffic, according to Caltrans San Diego.

The driver was not injured.