I'm very sorry. I feel like crying! I would be devastated if any of my instruments were taken. I will look out for it! And yours, Chris!
BTW- I have my clarinet insured, and I think my flute's been added to it too. Here's the website, just for future reference! We use them, as they were recommended to us by the retailer who sold us my clarinet. Here it is:
http://www.allianzmusicalinsurance.co.uk/

Good Luck,
Pyface