KARACHI (Web Desk) – A major power breakdown struck Karachi early Friday morning, plunging 80 percent areas of the mega city into darkness, Samaa TV reported.

Ahmed Fraz, spokesman for K-Electric said electricity in forty percent of the city areas was restored, as the 500 kV transmission line started working again. However, the complete restoration of electricity will take five to six hours.

“The extra high tension wire of 500KV tripped near Jamshoro, plunging 80 percent of Karachi in the dark,” he said.

Sources said Wapda’s 500kv transmission line tripped causing a blast in extra high tension line passing through National Highway.

The areas affected by the sudden power outage, are II Chundrigar Road, Saddar, Burns Road, North Karachi, New Karachi, Federal B. Area and Gulistan-e-Jauhar.

The other affected areas are Nazimabad, North Nazimabad, Landhi, Korangi, Shadman Town, Buffer Zone, Malir, Shah Faisal Colony, Bahadurabad, Defence, Gulshan-e-Iqbal and Liaquatabad.

The power breakdown also affected water supply in some areas and Sindh Assembly.