Russia released a video claiming to show a NATO F-16 moving close to a plane carrying their defense minister to a meeting. The video also seems to show a Russian fighter showing its armament to the F-16 which then moves away (link).
An armed Russian fighter intercepted a US reconnaissance plane over the Baltic Sea and came within five feet of the plane (link).
Russia issued a warning to the United States in response to the downing of the Syrian plane. Saying it would view any planes flying west of the Euphrates River as targets (link).
Russian officials warned the US Secretary of State that strikes on pro-Assad forces were unacceptable (Link).
Russia warned that it may seize US diplomatic properties in Russia if the US does not return properties seized by Obama administration (link).
Russian fighters intercepted a Norwegian P-3 Orion over the Barents Sea. A US B-52 bomber was also intercepted over the Baltic Sea (link).
Russian President Vladimir Putin said that U.S. anti-missile system in Alaska and South Korea were a challenge to Russia and that Moscow had no choice but to build up its own forces in response (link).