CALGARY -- Witnesses report hearing gunshots and seeing a man running across a Dover park swearing and bleeding from the shoulder.

He collapsed on the front lawn of home where police and EMS found him.

Two suspects were seen running from the scene - a witness reported seeing one of them carrying a handgun. Police say they have since recovered the weapon.

The shooting took place in the 3900 Block of 30 Avenue S.E.

Police say they have two men in custody, but have not announced any charges. It's believed that all the people involved knew each other.

This is a developing story...