South Korea’s President Lee ‌Jae Myung urged on Tuesday authorities to step up support for people affected by a record heatwave in the country, calling it a national disaster after scorching conditions were blamed for 19 deaths. Speaking at a cabinet meeting, Lee ordered officials to take necessary measures to protect the daily lives of people and inspect power systems as demand for air conditioning surges. “An even greater concern is that abnormal weather conditions make it highly likely ⁠that...