New Delhi, June 24 -- The crisis within the Trinamool Congress has now reached the Election Commission (EC), with rival factions trading claims and counterclaims over the party's leadership and legitimacy

TMC camp led by Mamata Banerjee and a rebel bloc led by West Bengal leader of the opposition in state assembly, Ritabrata Banerjee filed competing national working committee lists with the poll panel.

This is basically a formal route in the dispute over the party's name, assets, and election symbol.

The rebel group's MLAs visited the West Bengal chief electoral officer on Tuesday evening to submit a letter demanding recognition as the official All India Trinamool Congress and rights to the twin-flower election symbol.

"I cannot comme...