The Danish Foreign Ministry said it had summoned the Russian ambassador for talks on Monday after a Russian aircraft violated Denmark’s airspace. “This is completely unacceptable and particularly worrying in the current situation,” Foreign Minister Jeppe Kofod said on Sunday. Both Denmark and Sweden allege that a Russian AN-30 propeller plane entered their airspace on Friday night, when the aircraft was flying east of the Danish Baltic Sea island of Bornholm, which lies off Sweden’s south-eastern coast. Since the Russian invasion of Ukraine more than two months ago, there has been intense deba…