An explosion outside a police base in the northern Colombian city of Cucuta has left 11 officers injured and a police dog dead, according to government officials.
The blast occurred early Saturday, disrupting operations at the facility and prompting an immediate security response in the border region.
Sanchez announced a reward of US$60,000 for information leading to the identification and arrest of those responsible for the incident.
Colombia's Defence Minister, Pedro Sanchez, attributed the attack to the National Liberation Army (ELN), the country's largest remaining rebel group.
Sanchez announced a reward of US$60,000 for information leading to the identification and arrest of those responsible for the incident.
The violence in Cucuta highlights the ongoing security challenges facing Colombia, particularly in border areas where illicit trade and armed groups maintain a presence.
The ELN has continued to carry out attacks despite previous peace negotiations, maintaining its status as a significant security threat.