Hit by the extremely hot weather, at least 20 people have died in Karachi, Pakistan`s largest city, during the last 48 hours and scores of others suffered heatstroke, authorities said on Tuesday.

Rescue officials said 10 more bodies had been found on the streets of Karachi and other places on Tuesday after 10 bodies were sent to the morgue on Monday, all suspected victims of the ongoing heat wave with the temperature soaring to more than 40 degrees Celsius.