The British government has called on Libyan authorities to investigate the “murder” of a British man and New Zealand woman found dead on a beach in western Libya.Their bodies were discovered near a gas and oil facility in Mellitah by Libyan security forces on Thursday afternoon.The New Zealand Foreign Ministry said it was working closely with British consular staff in Libya, BBC reported.The UK Foreign Office has not yet named the British man but said it was in contact with his family.The Foreign Office said it was “deeply saddened by the murder” of the pair.A spokesman said: “Our charge d’affaires has raised the shooting with the Libyan authorities and we are liaising closely with them on follow-up.“We call upon the Libyan government to carry out a thorough investigation into this tragic incident and to continue to do all it can to bring to justice the perpetrators of this appalling crime, as it strives to build strong rule of law in Libya.”