In some parts of the north, where guerrillas and right-wing paramilitaries clash, civilians fear being caught in the middle.

The problem is not just left-wing guerrillas or right-wing paramilitaries.

The nation's tribes are often caught in the middle of the brutal war that pits Marxist rebels against right-wing paramilitaries.

The authorities said right-wing paramilitaries might be to blame.

Eventually military men with ties to the right-wing paramilitaries were arrested.

Between 11,000 and 14,000 children are estimated to be involved with left-wing guerrilla groups and right-wing paramilitaries in Colombia.

Even the right-wing paramilitaries questioned the value of an unfettered free market.

At least one had been attacked after he apparently paid money, under pressure, to right-wing paramilitaries, the rebels' archenemy.

There is evidence that right-wing paramilitaries were hired by Drummond to guard the rail lines.

Unrest has also been reported, with guerrillas and their rivals, right-wing paramilitaries, operating in the area.