WITH THE temperature reaching 40 degrees Celsius in northeastern Khon Kaen city today (Apr. 1) the sweltering heat led to people rushing to buy used air-conditioners with there also being long queues for cleaning service, TV Channel 7 said. An air-conditioning technician at Thanakorn Air Khon Kaen shop in Nai Mueang subdistrict, Mueang district,
