CHICAGO (CBS) — We now know the identity of the man who died after he was pushed into the path of a CTA train this week.

Mamadou Balde, 29, is an ex-Marine and Lane Tech grad.

READ MORE: Chicago Police Restrict Time Off For Officers Amid Battle Between City Hall, FOP Over COVID-19 Vaccine Mandate

Balde died at the Jackson Red Line subway stop on Tuesday after he tried to walk away from a fight.

Around 5:13 p.m. Tuesday, Balde was on the Chicago Transit Authority platform when three assailants came up to him, police said.

READ MORE: City Officials, Community Leaders Hit Streets To Urge People To Get First COVID-19 Shots, Boosters, And Flu Shots

The assailants pushed the man in front of a train and he was struck, police said.

He was pronounced dead at the scene.

MORE NEWS: Fundraising Concert Held As Pastor Pushes To Open Mental Health Center On City's South Side

As of late Wednesday, no one was in custody. Area Central detectives were investigating.