NATO said on Friday that two Russian fighter aircraft had conducted an “unsafe and unprofessional approach” towards alliance naval ships on routine operations in the Baltic Sea. NATO’s maritime command said the jets flew over “the force at an altitude of 300 feet (91 metres) and a distance of 80 yards (73 metres)” on Thursday morning after the Russian pilots failed to respond to communications. “NATO deemed the interaction unsafe and unprofessional since it was conducted in a known danger area, which was activated for air defence training, and due to the aircraft altitude and proximity,” a sta…