Just what went wrong in West Bengal on May 10? At the end of the day, the toll readseven killed -- a spectacular outbreak of violence after a relatively peaceful campaign inyears. Over 80 were arrested and repoll was ordered in 33 polling stations. Clearly thefragile peace was the proverbial calm before the storm with the two major camps -- theruling Left Front and the Trinamool-Congress alliance -- reserving their worst for the last. Chief Electoral Officer Sabyasachi Sen was hard pressed to maintain a semblance of order as his best laid plans went awry after a promising beginning.