Seoul, South Korea CNN  —  Australia learned about Chinese live-fire naval drills off the country’s coast that forced dozens of flights to be diverted via an alert from a commercial pilot, authorities said on Monday. The People’s Liberation Army (PLA) Navy’s unprecedented show of firepower in waters between Australia and New Zealand has raised alarm in both countries in recent days as a clearer picture emerges of how much warning Beijing gave about the exercises. The first notice of the Chinese