In Karachi, hot weather is normal ... but 44C feels like you're going to die

As a doctor in a big city hospital I am part of a privileged class with air con and water. But millions have neitherKarachi's heat hits you like a wall when you wake up in the morning. When you are up and getting changed, and the humidity hits you in the chest, you realise it's going to be really hot today. But it's another day, so you grab your bag and go to work. Related: Nowhere is safe, say scientists as extreme heat causes chaos in US and Canada Continue reading...