Morocco cause the latest shock at a World Cup that has been full of surprises by beating Belgium with late goals by Abdelhamid Sabiri and Zakaria Aboukhlal.
Australia hold on to a narrow first-half lead to pick up a crucial victory over Tunisia that keeps alive their hopes of qualifying for the World Cup last 16.
Wales' first World Cup for 64 years looks set to end at the first hurdle after they suffer a gut-wrenching - but deserved - last-ditch defeat against Iran in Qatar.