DALLAS (AP) - The Latest on an exchange of gunfire outside the federal courthouse in downtown Dallas (all times local):

10:45 a.m.

A bomb squad has conducted a controlled explosion of the vehicle associated with a person who was shot while exchanging gunfire with federal officers outside a Dallas courthouse.

Police said earlier Monday that the bomb squad was examining the vehicle. Police then said they would do a controlled explosion. A loud blast was heard at 10:38 a.m.

Police say the person shot outside the Earle Cabell Federal Building has been taken to a hospital. No information has been released about that person's condition. Police say no one else was injured.

A large law enforcement presence is visible downtown, and police have closed off several blocks around the federal building.

Police say federal officers are leading the investigation.

10:30 a.m.

Dallas police say a bomb squad is examining the vehicle of the person who was shot while exchanging gunfire with federal officers.

Police say the person who was shot outside the Earle Cabell Federal Building Monday morning was taken to a hospital. Police say no one else was injured.

The Dallas Morning News reports that one of its photographers outside the building witnessed a gunman opening fire. A photograph showed authorities tending to a man lying on the ground in a parking lot outside the building.

10 a.m.

Police say a person has been shot after exchanging gunfire with federal officers outside a federal courthouse in downtown Dallas.

Police say the suspect in the shooting Monday morning outside the Earle Cabell Federal Building has been taken to a hospital and that no one else was injured.

The Dallas Morning News reports that one of its photographers outside the building witnessed a gunman opening fire. A photograph shows authorities tending to a man lying on the ground in a parking lot outside the building.

The window panes in a revolving door of courthouse were broken afterward.

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