EU and Nato leaders describe the incursion as an ‘act of aggression’
Colombia's Petro cancels joint oil venture with US company

COLOMBIAN President Gustavo Petro ordered the state-run oil company Ecopetrol to cancel a joint venture with a United States-owned company, citing environmental concerns on Tuesday.
In a nationally televised speech, Mr Petro said he opposed the recent extension of a deal between Ecopetrol and Occidental Petroleum because it involved extracting oil through fracking.
Fracking is a controversial technique, used to extract oil and gas from shale rock, criticised by many environmental groups for polluting water sources and causing earth tremors.
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