The California Highway Patrol announced the results of its statewide maximum enforcement period over the extended Fourth of July weekend.

During the crackdown, which began at 6 p.m. Wednesday and ended at 11:59 p.m. Sunday, officers within the Golden Gate Division arrested 239 motorists suspected of driving under the influence, authorities reported.

There was also one fatal collision in which alcohol and/or drugs were believed to be a factor.

Of the 21 vehicle occupants killed in crashes across the state, 14 were not wearing seat belts, officials said.