Yesterday I was out taking a few photos and I was within the FRZ of Southend Airport.
I had permission from Southend ATC for this, and had also submitted a flight report in advance, so I presume aircraft in the areas would be aware of a drone operating here.
During my flight there was a fast jet which passed by numerous times. It was nothing to worry about, it was sufficiently far away not to be a concern, and for my purposes my flight was limited to just above the height of surrounding building but below the height of the tallest trees, so there were have been much bigger problems long before a drone meets jet incident.
I checked flight radar when I got home just out of curiosity and found out it was a Folland Gnat which is quite cool. But that got me thinking, is flying a jet much more dull than I thought it would be? The area is pretty boring with no particular landmarks nearby, so I can only assume he saw the warning of a drone operating in the area and though that was the best thing to head for and check out.