Four people were rushed to the hospital after a deranged Washington, DC doctor opened fire inside a gym in his luxury apartment complex Thursday morning, killing the building manager before turning the gun on himself.
Emergency room Dr. Matt Lambert, 55, gunned down his building manager, James Stuart, 46, inside a Vida gym in the swanky Logan Circle neighborhood of Washington, DC.
The crazed killer then ran back up to his seventh-floor $1.1 million penthouse, where he went out on his private patio and began wildly shooting at people below, authorities said.
Within five minutes of Stuart being shot, Lambert blasted another four people — two women and two men — who all sustained gunshot wounds, Interim Police Chief Jeffery Carroll told reporters Thursday.
The four wounded are believed to include multiple construction workers who were at a job site across the street as well as one other individual near the gym’s lobby or alley, Carroll said.
One woman sustained a gunshot wound to the head and rushed to George Washington University Hospital, a source told NBC News 4.
Another female victim took a bullet to the arm and was transported to Howard University Hospital alongside two other people with non-life-threatening injuries, the station reported, citing the source.
The current conditions and identities of the four victims were not immediately known as of late Thursday night.
Following the gunfire, Lambert barricaded himself inside his apartment for nearly an hour during a tense standoff with police — during which he opened fire twice on officers posted outside his door, cops said.
The deranged ER doctor also broke the gas line in his fireplace and set a fire — which was thwarted by the sprinkler system he set off.
During the standoff, Metropolitan Police Department negotiators said Lambert launched into a tirade about his homeowners’ association — which he’d been fighting a bitter legal battle against for years over black mold.
Lambert ultimately turned the gun on himself and died.
Three weapons were found inside his allegedly mold-ridden apartment — a handgun, a shotgun and a rifle, police said.
The Metropolitan Police Department did not immediately return The Post’s request for comment.
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