Japan fighters fire flares after Russian military plane enters airspace The Japan TimesJapan Warns Russia Over Violating Airspace, Fires Flares for First Time The Wall Street JournalJapan scrambles fighter jets that shoot flares to warn Russian spy plane to leave airspace CBS NewsJapan Scrambles Fighter Aircraft After Russia Violates Airspace The Japan NewsJapan says Russian patrol plane ‘violates’ its airspace three times Al Jazeera English