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CONCORD — A convenience store clerk’s request that a customer pay for all of his items set off chaos behind the register, and now police are asking for the public’s help to find the man who lost his cool.

Police posted store security video from the incident to its Facebook page Tuesday showing the man hopping the counter and shoving the clerk working the register.

According to police, the encounter happened in January around 10 p.m. at a 7-Eleven in the 2900 block of Monument Boulevard. Concord police Det. Chris Blakely said the customer entered the store and went to the rear to grab a few items.

He also took some chips and put them into a baby stroller that he and a woman brought with them when they entered the store, Blakely said.

“There was a baby in the stroller,” Blakely said. “He goes to the back of the store, and there are cameras. He doesn’t think anybody can see him, but the clerk can. So then he comes to the register and puts some of the items on the counter but not the ones in the stroller. Then he asks the guy if he’s gonna pay for the stuff in the stroller.”

The customer refused, even getting indignant that he was being challenged, Blakely said. The customer responded by telling the customer he wouldn’t ring up his other items, he said

Video picks it up from there, showing the irate customer making contact with the clerk in a violent way, then leaping the counter, pushing the employee, and grabbing some cigarettes before leaving the store.

The video also shows a woman standing next to the baby stroller. Police said she entered the store with the man but that she is not considered a suspect in the crime.

“She actually looks pretty embarrassed at the whole situation,” Blakely said.

The clerk wasn’t physically injured, but Blakely said the incident left him shook and scared.

Police urged anyone with information to contact Blakely at 925-603-5859 or Christopher.Blakeley@cityofconcord.org.