To protest against the move, the US summoned Russian ambassador Anatoly Antonov in Washington. แทงมวยวันนี้ Following the meeting, Russian state media quoted Mr Antonov as saying that Moscow saw the drone incident as "a provocation" and that "the unacceptable activity of the US military in the close proximity to our borders is a cause for concern". Tensions have risen over the Black Sea ever since Russia's annexation of Crimea in 2014. Since Russia's full-scale invasion of Ukraine the US and the UK have stepped up reconnaissance and surveillance flights, though always operating in international airspace. According to the US, there has been a "pattern of dangerous actions by Russian pilots" interacting with allied aircraft in the region.