Sig Alert, 91 Freeway, Corona, 12 p.m.

Three lanes of the eastbound 91 Freeway were closed this afternoon after a tractor trailer caught on fire in a crash just south of Norco.
The fire was reported just after noon on the 91 east of Buchanan Street, the California Highway Patrol said.
Officers closed all lanes for firefighters and diverted traffic off at McKinley Street.
At 12:20 p.m., the CHP estimated the three left lanes would be closed until about 2 p.m. due to the crash.
The crash resulted in minor injuries.