OAKLAND, Calif. — A tense situation unfolded late Thursday night when U.S. Coast Guard security personnel in California fired at a driver of a U-Haul truck who, according to officials, was attempting to breach a security gate.

The incident occurred around 10 p.m. at Coast Guard Island located in Alameda, where earlier in the day, hundreds of protesters had gathered. Coast Guard authorities reported that security personnel observed a vehicle approaching the base in an erratic manner and issued several verbal commands for the driver to halt.