A man shot dead by an MTA worker in Brooklyn has been boxed off for a spurned fist bump

The 39-year-old straphanger, who was shot dead by an MTA employee in Brooklyn on Tuesday night, was allegedly furious that the transit employee punched him when he tried to punch, sources said.

The incident happened at the Brooklyn R station around 9 p.m. when Renaldo Gurrier tried to make the hand gesture to one of two MTA employees, but the employee refused over COVID concerns, police sources said.

Gurrier allegedly followed the men onto an R train and threatened to “beat them up,” NYPD Chief of Transit Michael Kemper said at a news conference Tuesday about the incident at the crime scene.

Kemper said the workers got off at the Union Street station to try to defuse the situation, but Gurrier allegedly followed them off the train to the mezzanine.

He allegedly approached the armed MTA employee, despite several warnings, who then shot Gurrier in the chest, police said.

The wounded was taken to New York-Presbyterian Brooklyn Methodist Hospital, where he is in critical condition.

Gurrier is working on an auto body in Brooklyn, his boss told the Post on Wednesday.

“Everything is a problem with this guy,” Danny Argentina said. He also claimed that this is not the first time Gurrier has been wounded.

“[He] stabbed 20 times, beaten dozens of times, shot once” in past altercations. It was not clear if he was a victim or a perpetrator in the incidents.

Police have not announced any arrests in Tuesday night’s incident.

Richard Davey, president of MTA New York City Transit, said both transit employees have been given desk assignments pending the outcome of an investigation.

Additional reporting by David Meyer