The heir to the throne is in good health, seven days after he tested positive for coronavirus.
The future of some 2,000 of the restaurant's employees hang in the balance.
Thousands of the devices, which deliver oxygen to the lungs without needing a ventilator, could be made.
Customers must keep paying for items they are renting despite administrators being appointed.
Two women and a man were found dead after a fire at a property in Hemel Hempstead.