Secretary of Homeland Security Jeh Johnson, NYPD Deputy Commissioner for...

Secretary of Homeland Security Jeh Johnson, NYPD Deputy Commissioner for Counterterrorism and Intelligence John Miller and Chief of Department James P. O'Neill hold a news conference at the scene of a shooting at 201 Varick St. in lower Manhattan on Friday, Aug. 21, 2015. Credit: CS Muncy

A security guard protecting a federal building in lower Manhattan was fatally shot Friday evening by a gunman, who then took his own life, authorities said.

The shooting occurred shortly after 5 p.m. in the lobby of the building at 201 Varick St. near West Houston Street, police said.

NYPD Chief of Department James P. O'Neill said the gunman approached a metal detector and fired on the guard "at close range" with a handgun before rushing through the device toward an elevator.

There, the shooter encountered another employee of the building and shot himself in the head, O'Neill said. He was pronounced dead at the scene.

The contract security guard, Idrissa Camara, 53, of Manhattan, was unable to unholster his firearm in time to defend himself, O'Neill said.

Officials said there was no indication that terrorism was a factor. Federal Homeland Security Secretary Jeh Johnson arrived on the scene and toured the building.

"I wanted to be here, because the shooting victim . . . is part of our protective services," Johnson said. "It's obviously a tragedy when anyone is killed like this in the line of duty."

Members of the NYPD respond to a shooting at a...

Members of the NYPD respond to a shooting at a federal building at 201 Varick St. in lower Manhattan on Friday, Aug. 21, 2015. Credit: CS Muncy

The shooter was identified by police as Kevin Downing, 68, of Fort Lee, New Jersey.

Investigators trying to determine a motive planned to search Downing's home. "He had an intended target beyond the security officer," said O'Neill, declining to elaborate.

John Miller, the NYPD's deputy commissioner for counterterrorism, said Downing was a former employee of the federal Bureau of Labor Statistics and apparently a military veteran.

Camara worked for FJC Security Services, founded in 1988 by a former NYPD officer with offices in Manhattan, Melville, Floral Park, Queens, and several other cities. "Camara . . . was an extraordinary senior guard who was well-trained, cared deeply about his job and knew that building better than anyone else," FJC said in a statement.

An image posted on Twitter shows police and other emergency...

An image posted on Twitter shows police and other emergency personnel outside a federal building at 201 Varick St. in Manhattan after a gunman killed a security guard and then himself on Friday, Aug. 21, 2015. Credit: Twitter / Shane Kennedy

The victim was rushed to Lenox Health Greenwich Village, where he died, the NYPD said. A cousin, Muhammad Ouattara, said the family is distraught. He said Camara was an NYPD traffic cop for seven years.

"We are shocked and horrified at this terrible news and send our deepest condolences to Officer Camara's family," said Hector Figueroa, president of 32BJ Service Employees International Union. "We are heartbroken that one of our own has fallen."The building where the shooting occurred houses a number of federal agencies and an immigration court.

The scene outside was chaotic by early evening, with emergency and police vehicles whizzing through the streets during peak rush hour. Spectators lined the sidewalks behind police tape as helicopters buzzed overhead.

"The police came and told us to close our shop because there was an active shooter in there," Florencio Xelo, 48, a cook at the nearby Fresh Tortillas Tex-Mexican Food restaurant, said in Spanish. With Maria Alvarez

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