India, Sept. 2 -- The death toll from one of the most devastating earthquakes that struck northern Afghanistan on Monday continues to climb, with rescue efforts still underway and thousands feared trapped under debris.

Authorities and humanitarian aid groups have warned that the number of casualties could rise significantly in the coming days.

According to a Taliban government spokesman, at least 1,400 people have been confirmed dead and over 3,000 injured, but the figures remain fluid.

"The injured are being evacuated so that these figures may change significantly," Yousaf Hammad, a spokesman for Afghanistan's National Disaster Management Authority spokesperson, told AP.

"The earthquake caused landslides in some areas, blocking roads...