31.   It will be only the second time the Open has been played in the South because of the problems summer heat can cause for greens.

32.   Scorching heat has caused severe water shortages in the western Saudi Arabian cities of Jiddah and Mecca, where water service has been limited to two hours a day.

33.   The heat caused the rails to expand, widening the spaces between them, the ministry said.

34.   The heat caused a dozen gas containers to explode before firefighters gained control of the flames.

35.   The heat caused a gradual breakdown of the fluoropolymers into a variety of other compounds that were released into the air.

36.   The heat caused a drawbridge over the Manasquan River in Brielle to expand, preventing it from closing, a police dispatcher said.

37.   The heat caused at least one death and whipped up scores of forest fires.

38.   Heat causes the chemical bonds in cells to break down, a disruption that can be a potential trigger for cancer.

39.   In capital Dhaka and elsewhere, the heat has caused ground water levels to fall leading to drinking water shortages.

40.   The unusual heat caused above-average air pollution which kept asthmatics at home on several occasions.