Fresno police arrested 18 drivers on suspicion of driving under the influence during an enforcement operation on Saturday.

Police said drivers charged with a first-time DUI face an average of $13,500 in fines and penalties, along with a suspended license.

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The department said it will hold another DUI enforcement operation this Saturday and plans a series of DUI enforcement patrols and checkpoints throughout the year.

Funding for the program was provided by a grant from the California Office of Traffic Safety through the National Highway Traffic Safety Administration, police said.