All national dailies wrote that the Ministry of Defense announced on Wednesday that a helicopter that appeared to be Russian briefly entered Japanese airspace off the Nemuro Peninsula in eastern Hokkaido at around 10:23 a.m. on Wednesday. The ministry is trying to determine whether it was a military helicopter. The Ministry of Foreign Affairs lodged a protest with the Russian government through diplomatic channels. The ASDF reportedly scrambled fighter jets in response to the aircraft. Chief Cabinet Secretary Matsuno told reporters on Wednesday that the incident was very regrettable and that Russia’s increasing activities in the air and sea surrounding Japan are a source of concern.