This from the Shadow Minister for Transport...
A bus pretending to be a train. & not one of @alextrentbarton's classy ones. But its warm ta @northernrailorg #pacer pic.twitter.com/r4Emt9FoIn
— Lilian Greenwood (@LilianGreenwood) November 15, 2013
Yep, seems about right.
Now all that's missing is an undertaking to replace them!