"Well, it's a Rift in space and time. The Doctor did have something to do with it, but it's in his future, and in our past," a pause was given as he squinted thoughtfully, making sure he'd got that the right way round before continuing. All this time stuff could get complicated at times.

"But anyway, it runs right through Cardiff. All sorts of stuff passes through here, extraterrestrial and extratemporal. We're here to monitor it's progress and deal with whatever it lets through. Full time job, that's for sure."