Lets see if we can get an angle on this couple of 3 or 4 vids here same people...be careful out there guys!
I grew up in London and this happened all the time they were just not as blatant as to do it it in broad daylight
You should be allowed to take a baseball bat to them if you have evidence it was them trying to take from you. Then post it all over the internet to dissuade other feral w4nkers from doing it again.
Only problem with the flame thrower is the chance of melting expensive plastics I think a return to the hang, drawn and quartered setup with their inards being fed to their kids might have an impact.