Bangladesh, June 4 -- In her first public rally since losing power in West Bengal, former Chief Minister Mamata Banerjee dropped a pointed political bombshell on Tuesday, claiming that her government's Special Task Force (STF) had once arrested a key accused in a Bangladesh murder case (killing of Osman Hadi) - and that India's home minister personally asked her to keep it quiet.

Speaking at a packed gathering in Kolkata's Dharmatala, Banerjee said the accused had entered West Bengal through Meghalaya before being apprehended by the state STF. Without naming the individual or identifying which case she was referring to, she said the murder had "triggered a great deal of revolution in Bangladesh."

"Then the home minister personally phon...