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Police Seek Man Seen On Video Throwing Punch Outside NH Diner

PORTSMOUTH, N.H. (CBS) – New Hampshire police are looking for the public's help finding a man seen on video punching another man in the face outside of a popular diner.

The incident took place on June 20 around 1:45 a.m. outside Gilley's PM Lunch.

What led up to the attack is a mystery.

"That's unclear to us at this point what caused the fight, and that's why we're looking for the public's help," Portsmouth Police Sgt. Chris Kiberd said.

Video shows the man in a white t-shirt, dark pants, and baseball hat on backwards -- suddenly launching a sucker punch to the head of the man in front of him and following it up with another hay-maker.

Because Gilley's is open until 2:00 a.m. people flock there when the bars shut down at 1:30 a.m. so there was a pretty big crowd on hand when the man was attacked.

The Gilley's surveillance video seems to show a brief exchange between the pair. But it's another 30 seconds or so before the punches come and the suspect seems bent on more even as patrons try to intervene and a woman attempts to discourage him with her handbag.

The man who got his face bloodied told police he did not recognize the attacker as anyone he'd encountered earlier on that night of June 20th.

"The victim did not relay any information to us as to why he was attacked," Sgt. Kiberd said.

Police say the suspect is about 6 feet tall and has a black goatee.

Anyone with information is asked to call Portsmouth Police at (603) 610-7505.

Tips can also be made to Crime Stoppers at (603) 431-1199.

Watch surveillance video of the incident

The Portsmouth Police Department is asking for the public's assistance with information with the investigation of Simple Assault at Gilleys PM Lunch on June 20th, 2015 at 1:42 AM. The attached video shows a male subject approximately 6 feet tall wearing a white t-shirt, blue jeans, backwards dark colored baseball cap and has a black goatee. The male subject punches another male subject in the face. Anyone who may recognize the male or have any information that can assist in locating the suspect is asked to contact Officer Wells at (603)610-7505. Please call Seacoast Crime Stoppers at 603-431-1199 if you wish to remain anonymous and have information on unsolved crimes or under age alcohol parties. You can also leave an anonymous tip by logging on to www.seacoastcrimestoppers.org or send an SMS text to CRIMES (274637) and include TIPSCS in your message. You could be eligible for a cash reward of up to $1,000 if your information leads to an arrest and indictment

Posted by Portsmouth NH Police Department on Wednesday, July 15, 2015

When located, the suspect will be charged with simple assault.

A $1,000 reward is being offered if a tip leads to the man's arrest.

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