BART officials said officers were responding to the station at about 2 a.m. after the operations control center reported an altercation aboard a Dublin/Pleasanton-bound train, said BART spokesman Jim Allison.
The train arrived at Fruitvale and passengers began getting on and off.
The victim was shot on the platform when a BART police officer's firearm discharged, Allison said. The critically injured man was taken to Highland Hospital where he died this morning, the Alameda County Coroner's Office said.
While witness accounts reported by news organizations indicate Grant was on the ground and handcuffed when he was shot...