US south-west bakes under potentially deadly record high temperatures

Phoenix, Arizona, logged its 16th day above 110F, and California's Death Valley reached 122F as cities offered cooling centers

A dangerous heatwave threatened a wide swath of the south-west with potentially deadly temperatures in the triple digits on Saturday as some cooling centers extended their hours and emergency rooms prepared to treat more people with heat-related illnesses.

Near record temperatures are expected this weekend!" the National Weather Service in Phoenix warned in a tweet, advising people to follow its safety tips such as drinking plenty of water and checking on relatives and neighbors.