11.   But for the first time since the fighting erupted last September, the retribution for a major guerrilla attack had a bigger political dimension than a military one.

12.   But in recent years, high production costs, guerrilla attacks and better deals elsewhere have convinced many foreign firms that their Colombian operations should be scaled back.

13.   But he escaped, and the paramilitary offensive may have been a response to the guerrilla attack.

14.   But out here, guerrilla PR attacks are as common as the luxury cars that crowd the freeways.

15.   But the tensions erupted in recent months into aerial bombings and guerrilla attacks, involving armies of the three countries as well as several militias.

16.   But there were white fatalities too, especially out on the farms, many of which were transformed into fortresses and came under frequent guerrilla attack.

17.   Car bombs were discovered on four highways and voting had to be suspended in scattered rural areas because of threats of guerrilla attacks or the destruction of infrastructure.

18.   Colombia delayed some deliveries last week after a wave of guerrilla attacks on trucks, the Colombian National Coffee Growers Federation said yesterday.

19.   Colombia repaired an oil pipeline breached in a guerrilla attack Sunday, a spokesman for the state oil company Empresa Colombiana de Petroleos said.

20.   Colombia today repaired an important oil pipeline that had been breached Sunday in a guerrilla attack, a spokesman for state oil company Ecopetrol said.