Police are investigating what caused the death of a man whose body was found in Sacramento. According to the Sacramento Police Department, the man's body was found lying on the ground near 15th Avenue and 60th Street. Officers and fire officials tried to provide medical aid, but the man was pronounced dead at the scene.Police believe the man was hit by a vehicle, but there was no vehicle on scene when the officers arrived. Anyone with information regarding the investigation is being asked to call (916) 808-5471.