A man drove his car through marchers Thursday at an immigrant rights rally, with one demonstrator jumping on the hood as the car lurched forward and then stopped. Police quickly surrounded it and arrested the man.

Brea Police Chief Jack Conklin said none of the demonstrators sought first aid but the SEIU United Service Workers West union later released a statement saying six people were taken to a hospital for evaluation.

The union helped organize the protest and President David Huerta said the four union members and two staff were “victims of what appears to be a deliberate and hateful crime.”

Police disputed that.

“I think he was trying to get through the crowd,” Lt. Adam Hawley said. “We don’t have any indication he was trying to harm somebody.”

The demonstrators were marching about 30 miles southeast of Los Angeles. They were urging Republican U.S. Rep. Ed Royce to support an existing temporary immigration program for citizens of several Central American countries, said Andrew Cohen, a spokesman for Unite Here Local 11, a union representing hotel, food service and airport workers.

A video released by Cohen showed the car pushing through a line of demonstrators marching in a crosswalk. Several protesters pounded on the hood and one was pushed as the car inched ahead.

Another demonstrator jumped on the hood as the car pulled ahead perhaps 50 feet, then stopped in the middle of the intersection as police rushed in and ordered the marchers to get away from it.

Wenzek was arrested for investigation of assault with a deadly weapon, Hawley said. He was later released pending results of the investigation.

Cohen said Wenzek did not say anything as he drove through the protesters.

A woman who answered a phone number linked to Wenzek refused to allow an Associated Press reporter to talk to him and hung up.

Records show Wenzek was convicted in 2006 of committing lewd acts against a child.

(AP)