Estonia has summoned the chargé d’affaires of the Russian embassy in Tallinn over the removal of buoys marking the fairway in the Narva River which separates the two countries. During the conversation on Friday, Moscow’s diplomat was given to understand that such steps were “provocative and unacceptable,” according to Foreign Minister Margus Tsahkna. Estonia is demanding an explanation for the removal of the border markers and their immediate return. On Thursday night, Russian border guards removed 24 buoys floating in the Narva River, which had been used by Estonia to mark the shipping route….