They were greeted by a single gunman.

Waiting in ambush, a single gunman suddenly approached from the passenger side of the parked jeep.

In the course of the shooting, a single gunman killed 13 people and over 30 people were injured.

Reports are unclear, but it appears a single gunman engaged the suicide bomber and four other terrorists.

Three hundred people were at the tournament when the shots were fired, apparently by a single gunman, the police said.

'Why do you think it was a single gunman?'

I guess the single gunman who managed to break out and flee from the shootout with Conn just kept on going.

"Looks like a single gunman, from out in those bushes."

"We believe it was a single gunman," Mercer announced to a flash of photographers' bulbs.

Although the victim was shot from two directions, full blame was placed on a single deranged gunman.