1.   ...a lone assailant wielding a kitchen knife.

2.   A British sailor was stabbed to death by a lone assailant after being robbed in the northern Philippines, police said Tuesday.

3.   She died Saturday, police said, after being abducted from the bus stop outside the convent, sexually assaulted and strangled by a lone assailant.

4.   They suspected the bombing was the work of a lone assailant with a personal grudge.

5.   Agarao, who was gunned down by a lone assailant, was the lawyer of the family of a man who had earlier charged the mayor with murder.

6.   Security experts have long cautioned about the ability of a disaffected or mentally unstable lone assailant unconcerned about his own safety to penetrate the cordon of security.