Five Colombian soldiers were killed and 10 others sustained injuries in Norte de Santander on Tuesday, after an ambush attack allegedly led by the National Liberation Army (ELN). The source is of the ambush is said to have been a roadside bomb. According to General Ricardo Gomez Nieto, the Colombian army has «three voluntary submissions, 10 arrests and [has suffered] five deaths in the course... Еще of the military operation.» He added that there is a reward of 140 million pesos (US $49,000) for anyone with information on the militants’ positions and that the army has «neutralised» 25 alleged terrorists. Eight soldiers were transferred to Duarte medical clinic in Cucuta and are being treated for various types of injuries. According to the treating doctor, Ruben Dario Santiago Salazar, one of the soldiers currently in intensive care for head and skull injuries is now stable. Colombian President Juan Manuel Santos tweeted that the armed forces will “go after those responsible.” The Colombian army is currently leading military operations against ELN militants in Norte de Santander near the border with Venezuela. Peace talks and a two-end ceasefire collapsed in January, after a string of attacks reportedly initiated by ELN rebels. The armed conflict between the Colombian government and ELN dates back to 1964.