11.   The suspects ambushed the police in the corridor of the building, killing one and seriously wounding another, Sulcek said.

12.   Initial reports that police had been ambushed were discounted Sunday, after detectives identified the author of the anonymous call.

13.   Eleven policemen and a student were killed when leftist rebels ambushed two police buses in the mountainous southeastern region of Purace, officials said Wednesday.

14.   The four-hour shootout began after a joint foot patrol by troops and police was ambushed by gunmen.