Practical risks aside, it would be illegal without Russian permission according to the 2003 treaty between Russia and Ukraine that declared Azov to be “internal waters” and only guaranteed freedom of navigation for RUS and UKR military vessels. https://t.co/CjTOyfcmet https://t.co/VKxbcACZOc

— Yaroslav Trofimov (@yarotrof) November 26, 2018