A rather unlucky start to the day...

Thats bad luck...however it seems more like just bad technique,

as a child...My dad always told me to check the inside of the tyre for grit and thorns, then when putting it back on fit the tyre near the valve first(as there is more 'room'), and then check for 'pinches', as he had been a motocyclist and having to take one of those mofo's off by the side of the road was a f*cksite more tricky than doing a bicycle one.

fit the tyre near the valve last would've been better advice methinks