It was another sleepless night for most of us here in Korea on Tuesday,... as the scorching heat coupled with uncomfortably high humidity refused to die down even after sunset.<br />During the height of the afternoon on Tuesday,... the temperature in Seoul soared way past 35 degrees Celsius and it was even hotter elsewhere.<br />Our Choi Si-young has our top story. <br /> South Korea was sizzling with daytime highs.<br />Seoul hit almost 37 degrees, one degree short of record high two days earlier.<br />The high in Yeoju, a city in Gyeonggi-do Province, and Yeongcheon, in Gyeongsangbuk-do Province, surpassed 40 degrees.<br />The whole nation was under a heatwave warning, issued when highs top 35 degrees.<br /><br /> "Here in southern Seoul, the heatwave is expected to push the temperature even higher, and the weather agency advises people to refrain from outdoor activities."<br /><br /> "The road is too hot, and the sun is too strong, so I have to carry this parasol. It's just exhausting."<br /><br /> "It's humid, and sun is too strong, so I am so anxious about being out. I am wearing sunscreen but am still worried."<br /><br />Health experts are urging people to drink lots of water and stay indoors.<br /><br /> The heat has pushed up demand for electricity.<br />According to Korea Power Exchange, electricity demand set a new record high for a second day in a row.<br />At around 5 p.m. Tuesday, demand surged to about 92 million kilowatts, exceeding the government forecast by about 2 million kilowatts.<br /><br /> The government said it keeps about 7 million kilowatts of electricity in reserve. If that falls under 5 million, the government will issue a warning and ask households and corporations to save power.<br /><br />Choi Si-young, Arirang News. <br />