Pakistani officials say rescuers backed by troops have evacuated more than 25,000 people from a city in eastern Pakistan as rising rivers threatened to flood the region.

Officials say rivers are swelling to dangerous levels in Pakistan’s eastern Punjab province, forcing more than half a million people to flee their homes in the past 24 hours.

Emergency workers in Pakistan's Punjab province have used drones to find people stranded by massive floods.

Rescuers in Pakistan have been racing to evacuate tens of thousands of people stranded by floods in Punjab province, as floodwater inundated some villages near Lahore.

Torrential rainfall has left at least 34 people dead in Pakistan and India and triggered flash floods and landslides in Indian-controlled Kashmir.