At 44 degrees Celsius, Karachi was the second hottest city in Pakistan after Mithi on Sunday. Humidity dropped to as low as 7 per cent in the provincial capital under the influence of extremely dry and warm winds from the country’s plains, with the “feels like” temperature reaching 48°C.However, according to the Pakistan Meteorological Department’s warning, the temperature in the metropolis can rise by another degree at any time between Monday and Wednesday.“Heat is concentrated at...