Briton shot dead in Libya named as Mark De Salis 4 January 2014 Last updated at 11:45 A Briton who was shot dead in Libya has been named by the UK Foreign Office as energy worker Mark De Salis. Mr De Salis's family said they were shocked and devastated by his killing. The bodies of Mr De Salis, who had worked in Tripoli for six years, and a woman from New Zealand were discovered by security forces near a gas and oil facility on Thursday. The pair, described by his family as close friends, were found on a beach near the coastal area of Mellitah. In a statement issued through the Foreign Office, Mr De Salis's family said he had been working as a power manager for First Engineering, bringing generators to Tripoli to provide electricity. Loyal man "Mark enjoyed his work in Tripoli and liked the Libyan people," his family said. Mark enjoyed travelling and had travelled extensively. He was a decent and incredibly loyal man and he was loved by many. He will be sadly missed by his family and friends. The family said their thoughts were with the family of Mr De Salis's friend. "We would ask that our privacy is respected at this time," they added. The UK government has called on Libyan authorities to investigate the "murder" of Mr De Salis and his friend. A Foreign Office spokesman said: "Our charge d'affaires has raised the shooting with the Libyan authorities and we are liaising closely with them on follow-up." A statement from the New Zealand Foreign Ministry said: "The exact circumstance of their deaths is not yet clear and will be subject to an investigation by the Libyan authorities. The deceased New Zealander was normally resident in New Zealand and was visiting Libya. The family of the New Zealander have requested privacy and asked that no further details be released publicly.