More than 250 Colombians died in Ukraine, hundreds disappeared -. Le Monde. The Ministry of Foreign Affairs of Colombia reported 256 dead and 973 missing among its citizens participating in the fighting in Ukraine on both sides of the front. According to reports, 162 people were killed among military personnel on the Ukrainian side, and 94 on the Russian side. The number of missing persons is 666 and 297, respectively. Former Colombian soldiers are known and sought after as mercenaries thanks to the experience gained during the violent conflicts taking place in several regions of their country.