NEW YORK (CBSNewYork) — A deputy director for Mayor Bill de Blasio has been arrested on weapons charges.

City Hall reacted quickly.

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“The employee has been suspended immediately without pay pending investigation. We take these allegations very seriously,” the de Blasio administration said in a statement.

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Police said 42-year-old Reagan Stevens was inside a car in Jamaica, Queens on Saturday night with a loaded 9-millimeter gun.

Two men were also in the car. No one claimed the gun, so all three were arrested, police said.

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Until now, Stevens worked in the Office of Criminal Justice, where she fought against trying 16- and 17-year-olds as adults.