A New York City father and his 4-year-old son were returning home from a New York Yankees game Monday night when they were held at gunpoint in a caught-on-video robbery, authorities said.

The armed robbery suspect followed them into the lobby of their apartment building around 9 p.m. near Sheridan Avenue and 161st Street in the Bronx, police said Wednesday.

The 40-year-old father and his son were heading home after watching the ballgame between the Yankees and Baltimore Orioles at Yankee Stadium when the suspect confronted them, according to police.

Police released surveillance footage from inside the building showing the son holding a souvenir toy Yankees bat as he and his father walk into the lobby.

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New York City Yankees game

The father and son were heading home from a New York Yankees game at Yankee Stadium when the incident occurred, police said.. (NYPD CrimeStoppers)

The suspect can be seen walking in shortly after and approaching them from behind. The unidentified male then pulls out a handgun from his waistband and pointed it at the father and son.

New York City suspect holds father and son at gunpoint

Police are searching for an armed robbery suspect who held a father and his son at gunpoint at Monday night. (NYPD CrimeStoppers)

"That’s when I felt something at my back. He told me ‘Give me your money,’" the father told the New York Daily News.

Police said the suspect robbed the father of $30 before fleeing on foot southbound on Sheridan Avenue.

New York City armed robbery suspect

The suspect followed the father and son into the lobby of their apartment building in the Bronx, police said. (NYPD CrimeStoppers)

No injuries were reported during the incident.

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The father told WPIX11 that his son has "some bad memories" about the incident and gets "really scared sometimes."

Authorities asked anyone with information about the incident to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477).