ELN members at a camp in southern Chocó, Colombia. Photograph: Santiago Mesa/The GuardianView image in fullscreenELN members at a camp in southern Chocó, Colombia. Photograph: Santiago Mesa/The GuardianColombiaColombia on the brink: ELN guerrilla group prepares for return to warAs Abelardo de la Espriella takes office as president vowing a new military offensive, the country’s last leftwing rebels are getting ready to fight backThomas Graham in Chocó; Photography by Santiago Mesa Fri 7 Aug 2026 09.00 CESTShare@font-face{font-family:Guardian Headline Full;src:url(https://assets.guim.co.uk/static/frontend/fonts/guardian-headline/full-not-hinted/GHGuardianHeadline-Light.woff2) format("woff2"),url(https://assets.guim.co.uk/static/frontend/fonts/guardian-headline/full-not-hinted/GHGuardianHeadline-Light.woff) format("woff"),url(https://assets.guim.co.uk/static/frontend/fonts/guardian-headline/full-not-hinted/GHGuardianHeadline-Light.ttf) format("truetype");font-weight:300;font-style:normal}@font-face{font-family:Guardian Headline 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