Dehradun, Feb. 13 -- A 45-year-old man accused in 50 criminal cases was shot and killed by three unidentified men on Friday morning at a shopping mall on Dehradun's Rajpur Road, police said.

Police said the deceased, identified as Vikram Sharma, was returning from a gym when three people fired at him at 10am and fled the scene on a motorcycle.

Sharma, who owned a stone crusher, was living in a flat on Canal Road for a decade, superintendent of police (city) Pramod Kumar said

Senior superintendent of police (SSP) Dehradun Ajai Singh said a gang war is suspected to be the reason behind the murder.

"As per eyewitnesses, when the deceased came outside his gym inside the shopping complex, two assailants who were waiting for him opened fire...