Mau: Three personnel were injured when a hand grenade exploded accidentally during a mock drill by Provincial Armed Constabulary in Bhiti area.
The incident took place yesterday, Superintendent of Police Shivhari Meena said.
PAC personnel Ramavtar (55), Acchelal Sonkar (40) and Ramji Gupta (40) were injured in the explosion and were rushed to the hospital, where condition of Ramavtar was stated to be serious.