sounds of the explosions must have drawn them in from miles around. Sarah throws her head back and screams up at the roof of the bus: GOD DAMN IT! WHAT DO WE DO TO CATCH A FUCKING BREAK?!

As if answering her call, the sound of an engine roars behind them. The drones turn as Frank the Tank smashes through their rear causing the assembled ranks to scatter for cover. The three survivors watch out through the window as the heavy 4x4 ploughs over a column of bodies, revving and rocking from the uneven surface as if it were driving off road, and powers towards the bus.

Sarah shouts at them both who now look a little more hopeful: WHO THE HELL IS THIS?

Her question is answered quickly when they see, as the 4x4 gets closer, that