Gibraltar
Yes! A scientific research vessel is in our territorial waters! Let's destroy it and kill all on board.
A very "George Dubya" approach to international diplomacy guys...
Anyway, I hardly think the presence of an oceanographic research vessel in British territorial waters can be described as "provocative", as if it were brimming with weapons or dumping toxic waste.
Unlawful yes, but let's have some perspective with regards to a proportioned response and no more talk of sinking the ships of one of our close European allies.