MADISON, Wis. -

A Madison man was attacked while using a urinal at East Towne Mall, according to Madison police.

The 45-year-old victim told police the attacker approached him from behind while he was using the urinal Friday afternoon.

He said the robber placed a metal object to the back of his neck and demanded his wallet. The man told the attacker he didn't have a wallet, and the robber struck the victim in the head with the metal object.

The victim told police he believed the attacker had a gun.