8 semi-trucks catch on fire at Port of Oakland: officials

Oakland Firefighters said 8 big rigs caught on fire at the Port of Oakland Sunday morning.

Authorities tweeted around 8:30 a.m. that crews were at 14th and Maritime calling it a "well involved" fire. 

Smoke could be seen throughout the Bay. Many took to social media to share videos of the huge black plume of smoke.

Initially one crew was sent to the fire, but soon after other workers were called to help, officials said.

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Around 9:30 a.m. OFD said 12 firefighters from three companies were able to successfully extinguish the blaze.

Authorities did not say how the semi trucks caught fire or if anyone was injured.