Five Colombian soldiers killed in 'ELN rebel ambush' Published duration 27 February 2018

image copyright Colombian Army image caption The five soldiers were killed when an explosive device went off in Norte de Santander province

Five Colombian soldiers have been killed and 10 wounded in an ambush which the army has blamed on National Liberation Army (ELN) rebels.

A roadside bomb exploded as a convoy of soldiers was driving past in north-eastern Norte de Santander province.

The government was holding peace negotiations with the ELN rebels until January when the talks collapsed after a series of rebel attacks.

The armed conflict has been running since 1964.

Colombian President Juan Manuel Santos condemned the attack [in Spanish] . Writing on Twitter, he called it "a cowardly attack on our heroes in Norte de Santander" and said that the government would "go after those responsible".

Who are the ELN rebels?

image copyright Getty Images image caption The group has been fighting the Colombian state for more than five decades

The guerrilla group was founded in 1964 to fight against Colombia's unequal distribution of land and riches, inspired by the Cuban revolution of 1959

Over the decades, the group has attacked large landholders and multinational companies, and repeatedly blown up oil pipelines

To finance itself it has resorted to extortion, kidnappings and drug trafficking

It has been strongest in rural areas

Mr Santos was awarded the Nobel Peace Prize in 2016 for his efforts to reach peace with Colombian's largest rebel group, the Revolutionary Armed Forces of Colombia (Farc).

He has spoken of his hope to also achieve a peace deal with the ELN before he leaves office later this year, but after a spate of attacks by ELN rebels in January, he recalled the government negotiators from the peace talks.