LOS ALTOS, Calif. - Firefighters are responding to a chemical spill on Interstate 280 near Magdalena Avenue in Los Altos on Thursday, officials say.

The Santa Clara County Fire Department said they received a call at around 12:52 p.m. about a truck that had struck the median on southbound 280 south of Magdalena Ave. The chemical barrels the truck was carrying began to leak after the collision. Fire officials said there was no threat to the public due to the spill. The substance was identified as bleach.

The spill prompted a hazmat response.

The spill is affecting traffic lanes. The California Highway Patrol is assisting with traffic. The Fire Department said at around 3:40 p.m. that two of the northbound lanes, as well one of the southbound lanes, have since opened, but drivers a

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