My sister has recieved a letter from Great Olmond Street today. It says she owes £5000 and its been outstanding 90+ days and is going to bayliffs. The number on the letter is different to the number on the website but does say its finance department. My sister has never been in a hospital never mind owe money for god knows what!!! The letter looks quite proffessional. Anyone heard of this kind of thing being a scam???