Ventura police officers arrested two people on suspicion of driving under the influence of alcohol at a checkpoint, officials said.Police setup the checkpoint on westbound Thompson Boulevard at California Street between 8:45 p.m. on Friday through 2 a.m. Saturday, officials said.In addition to the two arrests, three were cited for driving with no driver's license and one driver were cited for operating a vehicle with a suspended or revoked license, officials said.Police also towed three vehicles for miscellaneous vehicle violations, officials said.