"From wherever it is we are, the TARDIS can no longer enter the vortex." His eyes narrowed as he peered down at the screen. "It's as if something is blocking us off, keeping it from leaving. Think I might be able to switch it from one area to another here, but it will not allow us to leave... whatever this place is." He turned a crank, and pulled a nob on the console as he was talking. The engines came to life, but barely seemed to be doing anything.
After a moment, they stopped, and the Doctor ran back over to the doors. He opened one, peering out. "Oh... I guess we've moved about block away from where we arrived."
He turned back to look at her. "I believe we're stuck here, sweetheart. For the time being, at least."