British officials found oil and gas in a remote area north of the islands . Could be worth billions of pounds and raise fears of renewed conflict . ten days after midnight warned of ' very live threat ' from oil . Argentina announced it will prosecute oil companies operating off the Falklands .
British companies found oil and gas in a remote field north of the islands . Could be worth billions of pounds and increase fears of renewed conflict . Comes days after minister warned of 'very live threat ' from Argentina . Argentina says it will prosecute oil companies operating off the Falklands .