India, July 5 -- Trinamool Congress's West Bengal state president Chandrima Bhattacharya resigned from all party positions on Saturday, deepening the organisational crisis within Mamata Banerjee's outfit - a day after the party lost control of its headquarters in the state, and weeks after it haemorrhaged a number of senior leaders following its defeat in the state elections.

Banerjee launched a counterattack in a social media livestream later on Saturday, accusing rebel leaders of conspiring with the Bharatiya Janata Party (BJP) to split the party. Banerjee announced she would immediately assume the role of state president until veteran leader Subrata Bakshi recovers from illness.

In her resignation letter, Bhattacharya stated, "I here...