Colombia's peace negotiations with the National Liberation Army (ELN) have effectively collapsed following a deadly attack on a military base in Arauca, which resulted in two soldiers' deaths and over 27 injuries. President Gustavo Petro condemned the assault, stating it 'practically closes' the peace process, which was a key element of his 'Total Peace' policy aimed at resolving decades of conflict. The attack involved explosives launched from a truck and is seen as the most significant escalation since a bilateral ceasefire expired in August. Despite previously engaging in talks with the ELN, the situation has worsened as the group has continued violent actions, including kidnappings and attacks on infrastructure. The ELN's frustration with the government's separate negotiations with a splinter faction has further complicated the peace efforts. This marks a troubling turn in Colombia's ongoing struggle with armed groups, with the ELN consolidating power amidst the turmoil.