One person was killed and four were injured in a shooting near the White House in downtown Washington.
One of the victims is in critical condition.
The shooting happened at a fitness club near Logan Circle. The suspect, Dr. Matt Lambert, was found dead, NBC News reports.
According to the channel's law enforcement sources, police spoke with the suspect on the phone before finding him dead. Apparently he committed suicide.
Police believe the suspect had a dispute with other residents of the apartment building, which led to the shooting.
The fitness club where the shooting happened is closed until further notice.
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