Who?

A disembodied page of 'The Sun' bounced along the road. The headline on its soggy pages; UFOs OVER BIRKENHEAD?

Only a trained eye could see that the shapeless blob was actually a Firresian cruiser trying desperately to make an emergency landing with only one thruster working.

Only a few hours since the aliens had been sent packing, and it was already old news. Not that the public would ever know what really happened. Or who they had to thank for averting the disaster yet again.

Still, thought the Doctor as he unlocked the TARDIS door, virtue is its own reward.