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Fire guts semi-truck on SB I-805 in National City

SAN DIEGO – A tractor trailer caught fire on southbound Interstate 805 in National City causing traffic to back up Tuesday afternoon.

California Highway Patrol issued a SigAlert around 2 p.m. and closed three lanes on SB I-805 just south of Plaza Boulevard.

No one reported being injured.

What caused the fire was not immediately known.