Perhaps they'll run out of petrol somewhere around Gibraltar.
We can ask the Gibraltarians to shout anti - Putin slogans at them until Trump gets elected and declares war on them.
I mean - what else can we do?
Write a strongly worded letter of complain to The Times?
We sit and watch and wait, doing our incompetent and impotent best........
.....and, no. I have no solution to put forward, apart from the tried and tested ( and failed) sanctions.
Wait 'til Putin prgs out, I guess.