x     A UN expert group on mercenaries warned on Friday of a significant increase in the recruitment of Colombian mercenaries, driven by the proliferation of armed conflicts worldwide. After an 11-day visit to Colombia, the body estimated that more than 10,000 citizens — nearly all former military and police personnel — have been recruited abroad over the past decade, with offers ranging from $2,000 to $6,000 per month. “The proliferation of conflicts in the world has increased demand and,