Two Russian cruise missiles breached NATO airspace by flying over Romania before entering Ukraine, the country claims.
One of the top generals in Kyiv said two Kaliber missiles had been launched from the Black Sea, bursting through Moldovan and Romanian airspace before pummelling infrastructure targets in Ukraine.
NATO's Article 5 says that if one member is the victim of an armed attack, each and every other member will consider it an act of violence against all members. This means they will take all necessary action to assist the ally.
