ATLANTA (AP) — Authorities say two major interstates through the heart of Atlanta have reopened after they were shut down near the start of the morning rush hour, causing heavy delays.

WSB-TV reports that Interstate 20 and I-75/85 were both closed for more than 90 minutes due to some type of police activity.

Police did not immediately provide details on the situation that led to the closures.

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Information from: WSB-TV, http://www.wsbtv.com/index.html