Oh Jon, I'm so so sorry this has happened. Poor you, and poor Pip also.
It's so distressing for everyone, but wasn't the lady kind and good to help with taking Furball to the vets? As you say, it was no-one's fault.
I can't tell you how much I feel for you; I understand completely the distress and worry this must have caused.
Poor little Furball.
Let's hope he pulls through, and can come home to his new, loving owners and resume his new life.
I'm keeping my fingers crossed for you all.
Eliza xx