Two officers and a civilian were shot Tuesday afternoon near a Home Depot in Dallas, police said.
The officers were critically wounded in the Lake Highlands neighborhood.
The civilian’s condition was not available.
Officers were searching for the suspected shooter near the wooded area and along the creek behind the store.
At nearby Forest Lane Station, DART passengers were not allowed to get off or on the trains to prevent the suspect from escaping the area by train, spokesman Mark Ball said.
Dallas Mayor Mike Rawlings said in a tweet that they were “closely monitoring” the situation and “praying for our officers and their families.”
Aerial footage from the scene showed a man being loaded into an ambulance. At least one person was taken to Texas Health Presbyterian of Dallas.
It was not immediately clear what led to the shooting.
Citing sources, WFAA-TV said Dallas police were helping an off-duty officer working security arrest someone when shots were fired.
The Bureau of Alcohol, Tobacco, Firearms and Explosives was also responding to the scene.
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