Canada has closed its airspace to Russian aircraft, effective immediately. Transport Minister Omar Alghabra made the announcement on Sunday, saying Canada's airspace will be closed to all Russian aircraft operators. "We will hold Russia accountable for its unprovoked attacks against Ukraine," he said in a tweet. Canada's move comes as other European nations banned Russian planes from entering their own airspaces, including Germany, Austria, Italy, the Czech Republic, Poland, Bulgaria, Slovenia, Estonia, Latvia, Lithuania, Romania and Luxembourg, over the invasion of Ukraine. Russia has since closed its airspace to many of those same countries, as fighting between its forces and...