Kolkata, March 3  All India Forward Bloc leader Ashok Ghosh, who had been on ventilator support since last month, died on Thursday at a city hospital, doctors said.

"Ghosh's condition had been very critical since last night and today in the morning at 11.25 a.m. he breathed his last," hospital superintendent Partho Bhattacharya said. 

The 94-year-old Ghosh, the senior-most Left Front leader in West Bengal, was on February 2 rushed to a hospital following lower respiratory tract infection.

Ghosh had for decades been the secretary of the West Bengal unit of the party founded by Netaji Subhas Chandra Bose.