Yogesh (22), a watchman in the State Water Corporation Department, was found dead from the store room of the office in Hind Puram colony area yesterday, police said.
Alleging it to be a murder, family members of Yogesh had ransacked the office and set it ablaze which was doused by fire brigade officials, police said.
Today they started disrupting the road traffic demanding immediate arrest of those responsible for the murder, police said adding when the police tried to disperse them, they indulged in heavy brickbatting damaging about six buses stranded on the road and injuring about 12 passengers also.
A probe was on in the murder case, police said.