“An alert has been sounded across the state, particularly in western UP, in view of the surcharged atmosphere after the polarisation during polls. Boisterous celebration by any one group can lead to reaction by the opposite group after the results are announced on Friday,” said a senior police officer.He said the atmosphere was already surcharged with the exit polls showing a wave in favour of one political party. “What has raised our concerns is that the counting will take place on Friday, the day members of a particular community gather at religious place to offer prayers,” the officer said. He bursting crackers by other group in front of religious places could create tension.