(KRON) -- A hazardous materials spill Thursday afternoon caused all lanes to be blocked on southbound I-280 near Los Altos, the Santa Clara County Fire Department announced. The spill happened around 12:52 p.m. near Magdalena Avenue where a truck hit the median divide.

The material was identified as bleach, SCCFD said. Two lanes of traffic on the northbound lanes have been shut down.

Officials said there is no threat to the public. No injuries were reported, and all occupants of the involved vehicles were able to self-extricate.

This story will be updated.

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