Guwahati/Cooch Behar: Four people have been shot dead in Bengal’s Cooch Behar after the BJP and Trinamool Congress workers clashed amid polling. Voting is being held in 44 seats in Bengal for the fourth phase of the state elections. Four more phases will be left after this. Results will be out on May 2.In the deadliest violence in the ongoing West Bengal polls, so far, at least four people have been killed in firing by Central security forces during polling in the fourth phase in Mathabhanga in Sitalkulchi constituency in Cooch Behar district on Saturday.