A Mount Vernon man says he and his brother were walking on West Oliver Street when a group of teens riding on bikes came by, slapped his brother in the head and punched him in the ear.

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A Mount Vernon man claims he and his brother were victims of the so-called knockout game last week. Police said they've made an arrest, and it turns out the suspect was wanted for more than one of these types of incidents.Mobile users tap here to watch videoPolice said officers arrested a 16-year-old boy out of a group of 20-25 teens who may have somehow been involved in the attack.The victim, who asked to be identified only as Eric, told 11 News that he knew exactly what was happening and that he wasn't going to let himself become another victim of the knockout game."The moment I got hit, that split second, I knew what was going on. I've heard the stories, and I wasn't going to let these kids get away," Eric said.Eric said he and his brother were walking on West Oliver Street on Friday night when a group of teens riding on bikes came by, slapped his brother in the head and punched him in the ear."When they realized I didn't go down -- I just chased after them -- they weren't really smart because they hit us on the bottom of the hill and tried to escape on BMX bikes up a hill," Eric said.Eric and his brother were able to stop two of the kids who ditched their bikes and ran. He said they then saw the kid who hit them, chased him into a parking garage on West Mount Royal Avenue and called police. The 16-year-old was arrested."People who play the knockout game are cowards. There was 20 of them and two of us. The moment we chased them, they all went away," Eric said.According to a police report, a further investigation revealed that the suspect had a cellphone on him that was taken in a robbery and assault in the Southeastern District earlier in the evening. He was charged for that crime, as well.Eric said he's very passionate about helping to put an end to the so-called knockout game, saying there should be more activities for kids to do instead of trying to physically attack people for fun."I really just wanted to make sure that we caught the kid and made sure he couldn't do that to somebody else," Eric said.Eric said he will be pressing charges in the case. Police said the 16-year-old was in court Monday and is being held on house arrest, where he has to wear an ankle monitor.