Kolkata: The dead body of a driver named Ujjwal Dey has been recovered on Saturday. The dead body was found in the canteen of the school.It is heard that he was associated with Dumdum Kendriya Vidyalaya. Earlier, a bomb alert has been sounded in Dumdum Kendriya Vidyalaya on Friday, after an anonymous caller ranged around 09:00 am and said that a bomb has been planted in the school premises.The school authorities immediately informed the police and evacuated the school. Cops rushed to the spot along with bomb squad. A search is on for explosives. So far nothing has been recovered. The police are probing into the matter and are also trying to find out if there are any linkages between the bomb scare and Saturday's murder.