An Australian helicopter surveying North Korea was intercepted by a Chinese warplane in international airspace, Australia’s Prime Minister Anthony Albanese said on Tuesday. An Australian ship was in international waters in the Yellow Sea undertaking routine activities to enforce United Nations sanctions against North Korea on Saturday, the Australian Defence Force (ADF) said. A helicopter was launched and was intercepted by a Chinese fighter aircraft which released flares into the helicopter’s flight path, the ADF said. Albanese said in a television interview Australia had made it “very clear”…