BROOKLYN - A man was struck and killed by a train at a Park Slope subway station Tuesday morning.

According to police, the incident occurred at around 5 a.m. at the Union Street subway station. Officials say the victim was a man in his 20s.

The Park Slope station had been closed down and all southbound trains had been rerouted while police investigated the man?s death and interviewed commuters who may have witnessed the incident.

Since the morning, the subway station has been reopened with a few scattered delays.