Islamabad, Pakistan (CNN) Hotter than average temperatures have killed at least 65 people in just three days in Karachi, Pakistan.

Temperatures reached a high of 44 degrees Celsius (111 Fahrenheit) on Monday, according to the Pakistan Meteorological Department, way above the average daily high for May of 35 degrees Celsius (95 Fahrenheit).

The situation was exacerbated by power outages citywide and ongoing fasting for the holy month of Ramadan, during which many Muslims abstain from eating and drinking during daylight hours.

Faisal Edhi, from Edhi Foundation which runs Karachi's morgues, told CNN that 65 people had died, however the number was disputed by the director for the provincial disaster management authority in Sindh, where Karachi is located.

Muhammad Ali Shaikh said that so far only one person had died. He added the heatwave is ongoing and advised people to stay inside and avoid the heat.

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