Hundreds of heatstroke victims are being treated at hospitals across Pakistan as an intense heatwave continues to blast the country. Local residents are being urged to stay indoors after temperatures soared above 50C in some areas on Monday. Across the country, volunteers have set up temporary relief camps where people can drink iced water and shelter from the heat. The state-run ambulance service is also now carrying bottled water and ice to provide emergency treatment to victims of the extreme weather. Pakistan’s southwest and northwestern areas are also affected by the heatwave. Daytime tem…