11.   Rescue efforts intensified, but were plagued by a series of breakdowns and equipment failures.

12.   Rescue efforts intensified, but were plagued by breakdowns and equipment failures.

13.   That would suggest coca eradication efforts are failing, even as fumigation efforts have intensified.

14.   The U.S.-led peace effort intensified after the killings.

15.   While Russian and French efforts intensified to find a diplomatic way out, US officials mounted their own campaign to rally support for the military option.

16.   Chikowi said five bodies had been recovered and efforts had intensified to search for the remaining bodies.