Police were called to a report of suspicious activity in the 1700 block of Market Street around 5:30 p.m. on Monday, according to police.
People in the area were fleeing as police arrived.
During the incident, one person in the group pointed a semi-automatic rifle at a Harrisburg police officer.
Officers took one person into custody, siezing the semi-automatic rifle and a pistol.
The other people in the group continue to be pursued by police
No injuries occurred to any of the officers, arrestee or the public.
Anyone with information is asked to contact the Harrisburg Bureau of Police, at 717-558-6900.
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