A quick acting police officer in Bruinswick stopped a man with a gun from entering a high school Basketball game Tuesday night. Police say once the officer noticed the gun sticking out from a man's waistband -- the chase was on. Channel's 4's Tim Pullium joins us from the newsroom with more on this arrest... Tim. 3 3 Police arrested Ahmaud Marquez Avery.They say, the 19 year old man was not a student at Brunswick High School.Tonight he faces felony charges. 3 00-1017-25Outside Brunswick High School, police say they scrambled to catch a teenage boy who tried to enter the gym during a basketball game with a loaded gun.Chief Rod Ellis with Glynn County School Police, says an officer initially spotted the gun in the teen's waistband.Rod Ellis/Chief of Police, Glynn County Schools Police 042904 The man ran through the parking lot. I tried to get him to stop as well. He would not stop for us. We ended up chasing him to the back of the school were other officers helped us apprehend him.Ellis says the 380 Caliber Semi Automatic handgun slipped out of the teens pants.A parent, who did not want to be identified, told me he saw the gun as he was about to enter the school gym.He says police were everywhere.Parent 042629 They were trying to keep everyone calm and away from the gun that was on the ground. They wouldn't let anyone in or out of the gym.Chief says the basketball game continued the whole time while police arrested the 19 year old.RE 043118 The main thing is we stopped him from getting into the event. We don't know what his intentions were but you know it's never a good combination when you bring a weapon to a school event clearly when it's posted that you can't.At tonight's basketball game, Chief Ellis says they added more officers and from now on every person will be scanned with a metal detector wand.Parent 042657 It's scary. You think you're safe somewhere.And then something like that happens. 3 Police say the 19 year old is out of jail on bond.Two of the police officers suffered injuries. One has been treated for a fractured hand. Tim... Why did police just start using Metal detectors?The chief told me he didn't want to impose any intense security on the public. But because of this event, he says it's necessary moving forward.