Updated

A disgruntled straphanger waved a gun at an MTA worker because he was upset over service disruptions, cops said.

The irate passenger confronted the 44-year-old worker just before 12 p.m. Monday on a Brooklyn-bound A train, police said.

BODY FOUND ON RUNWAY OF DETROIT AIRPORT

The angry commuter followed the worker as he left the train at the Lafayette Ave. station, flashed the weapon, and said, “I should shoot you,” according to cops.

The suspect is described as a black male in his 30’s.

The worker, who wished to remain anonymous, was not injured, police said.

Click for more from the New York Post.