NEW: 85 people in Arizona suffered severe burns from contact with pavements heated up to 180F (82C). 7 of them died. In total, 257 people had underlying cause of death listed as "exposure to excessive natural heat".

This is not a forecast for 50 years time, it’s happening today. pic.twitter.com/A3lmWXyj2o

— John Burn-Murdoch (@jburnmurdoch) July 21, 2023