"Two masked men came on a motorcycle last evening and shot Badrul in the head killing him on the spot," they said.
Badrul Hasan, BSP's sector president of old Gorakhnath area and Sirajuudin alias Bhola, party’s Gorakhnath sector in-charge were returning from a meeting held in the party office, they said.
Badrul (34) and Bhola were on a bike and going to Gorakhnath temple when the incident occurred in Kotwali area.
Bhola fell from the bike and received serious injuries. He was admitted to a hospital in a serious condition, they said.
According to DIG Mukesh Shukla, the motive of the murder is unknown.
The police have arrested one person in the case and investigation is on, he added.