Police had said at 7:55 a.m. that officers were at the park at 3330 Pruneridge Ave. with an armored rescue vehicle, prompting nearby Eisenhower Elementary School to shelter in place.
At 8:35 a.m., police said "negotiators were able to safely resolve the situation," and Eisenhower Elementary was able to resume its normal activities.
No other details about the police activity were immediately released.