New Delhi, Aug. 12 -- A massive mudslide early Monday killed seven volunteers as they repaired a drainage channel damaged by flash floods in northern Pakistan, officials said, leaving three others injured.

Rescuers recovered the bodies after the mudslide hit the town of Danyor in Gilgit-Baltistan at dawn and transported the injured to a hospital, said Faizullah Faraq, a regional government spokesperson.

This came a day after a flash flood triggered by a glacial lake outburst damaged the key Karakoram Highway, which passes through Danyor, disrupting traffic and trade between Pakistan and China. Engineers and workers were deployed along with heavy machinery to start repairs, Faraq said Monday.

Meanwhile, several landslides near the damag...