PETALUMA (CBS SF) — Petaluma police arrested five people on suspicion of driving under the influence during a checkpoint and saturation patrols on Saturday night, a police sergeant said.

At the checkpoint, conducted between 6 p.m. and 9 p.m. Saturday, officers screened 649 drivers for signs of DUI and to check their driver’s licenses, police Sgt. Jim Stephenson said.

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Officers administered field sobriety tests to 13 drivers and eight were arrested, he said.

Police arrested one person for DUI. Others were arrested for driving with a suspended license or without a license, Stephenson said.

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Due to inclement weather police ended the checkpoint and administered saturation patrols, conducted between 10 p.m. Saturday and 3 a.m. Sunday, which resulted in four DUI arrests, Stephenson said.

The operations were funded by a grant from the California Office of Traffic Safety through the National Highway Traffic Safety Administration.

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