Police in Riyadh announced Monday the arrest of the assailant who had stabbed members of a live performance play in the Saudi capital. "Security forces dealt with a... stabbing attack against two men and a woman from a theater group during a live performance," a police spokesman was quoted as saying by the official Saudi Press Agency. The assailant was arrested after state television footage showed him stomping onto the stage in Riyadhs King Abdullah Park during a musical performance by a theater troupe. Police said the man arrested was a 33-year-old Yemeni expatriate and that the knife used in the attack was seized. The statement added the victims were in stable condition.