Earlier quoted context omitted.
Whether or not it is legal would be pretty much irrelevant, I'd think - it would be something every regime that dislikes Britain would pay close attention to for the purpose of pointing to the moment they decide they want to pick someone up from a British embassy. I can't imagine Britain would be willing to risk the integrity of its own embassies in that way over Assange. It sounds like sabre-rattling, nothing more.…
The Libyan case doesn't really apply - the suspected gunman was a diplomat and a Libyan national and there's a whole extra set of legal issues involved that don't apply to someone seeking asylum in an embassy for a non-political crime.
I think some will disagree with the reason for asylum. I don't think there is any doubt that this is political. This is not about rape accusations. This is very political.