(4-traders.com) 15 June 2017 Columbus Energy Resources Plc ('CERP' or 'Columbus' or the 'Company') Company Update Columbus Energy Resources, the oil and gas producer and explorer focused on onshore Trinidad with the ambition to grow in South America, is hosting...http://www.4-traders.com/LGO-ENERGY-PLC-4006851/news/LENI-GAS-OIL-Company-Update-24597198/