LIBYA’S internationally recognised government has approved a 20% raise in public sector wages, a spokesman said, boosting a key source of income for many Libyans that has been eroded by inflation. Public salaries account for more than half of public spending in the country of 6 million, and are funded by unstable oil and gas revenues. The decision was approved in an emergency cabinet meeting said Ghaleb Alzgalay, a spokesman for Prime Minister Fayez Sarraj who heads the Tripoli-based Government of National Accord. A government source told Reuters in a message that the decision would put into effect a move…