The UK is expected to slash its contribution to a leading aid fund combating preventable diseases, with charities warning this could lead to more than 300,000 otherwise preventable deaths. However, aid groups say a proposed reduction in UK funding from £1bn to £800m is being widely discussed by senior government officials. The Switzerland-based Global Fund is credited with helping to save tens of million of lives in combating the three diseases. One aid agency estimated a £200m cut could lead to up to 340,000 avoidable deaths and nearly 5.9 million avoidable infections over the three-year funding period. It would risk undoing much of the progress we have made in the global fight against disease.”A Foreign Office spokesperson said: “The UK has not yet decided what its pledge to the Global Fund will be.