One of their main suppliers is warning of 'severe disruption'.
Popular fast food chains Burger King, KFC and Pizza Hut could face supply shortages in the run up to Christmas.
One of their main suppliers in the UK, GMB Union, is warning of 'severe disruption'.
They're balloting 600 staff members whether to walk out over a pay offer.
Staff have already rejected a 6% pay rise, saying it's well below inflation.