Dallas federal courthouse

The Earle Cabell Federal Building, a U.S. federal courthouse, in Dallas. (Daniel Carde/The Dallas Morning News)

A week after a gunman opened fire on the federal courthouse in downtown Dallas, police returned to clear the area after a call about a suspicious vehicle.

About 9:10 a.m., Dallas police said Monday's incident had been resolved and streets in the vicinity that had been closed were reopening.

Officers were dispatched at 6:37 a.m. to the Earle Cabell Federal Building on Commerce Street and Griffin Street about an abandoned semi truck parked in front of the building, police said.

When officers arrived, they saw wiring inside the vehicle and notified the bomb squad, police spokesman Sgt. Warren Mitchell said. People in nearby buildings were asked to evacuate as a precaution.

No suspicious devices were found in the vehicle, police said. The truck was carrying several boxes labeled as furniture.

Mitchell said police have made contact with the owner of the semi truck, but not the driver. The truck will be towed, police said.

Police said they did not know whether any charges would be filed in connection with the abandoned truck.

Street closures included eastbound Commerce Street to Akard Street and both directions on Jackson Street from Austin to Akard streets. Traffic in the vicinity was badly tangled because of the rush-hour disruption.

Parking lots around the courthouse were also reported to be blocked, and alarms at the courthouse were blaring an hour after the incident was reported. Hazmat teams were reportedly at the courthouse.

Last Monday, Bryan Clyde opened fire with an AR-15-style rifle outside the federal building. He was fatally shot by federal law enforcement. No one else was seriously injured.

Staff writer Maria Elena Vizcaino contributed to this report.

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