Suspected bribery fund linked to potential ‘doubling’ of payments to Steward by Joseph Muscat’s government;Konrad Mizzi signed MoU for annual 9% payment increase to Steward three weeks after ‘slush fund’ was set up;Health officials had ‘grave concern’ about the impact increased payments would have on public finances;Fund terminated soon after Muscat, Mizzi and Schembri resigned.Payments...