The National Disaster Management Authority (NDMA) in a flood alert issued Monday warned of heavy rains and thunderstorms in Islamabad, upper Punjab and Azad Jammu and Kashmir over the next 24 hours.

Scattered rainfall is also expected in southern Punjab, Khyber Pakhtunkhwa (KP), the Federally Administered Tribal Areas (Fata) and Gilgit Baltistan (GB) over the same time period.

Punjab, KP, GB and the upper catchment areas of the Jhelum, Chenab, Ravi and Sutlej rivers are expected to receive heavy rainfall at isolated places between July 11 and 13, the NDMA alert said.

As a result of heavy rains in the next few days, Chenab, Jhelum, Ravi and Sutlej may experience medium to high floods, the authority cautioned.

The NDMA advised relevant departments and individuals to take precautionary measures to ensure safety and protection in case of expected floods.

It has also called for concerned departments to issue alerts, clean the sewerage and drainage system of cities and warned individuals to refrain from swimming in pools of gathered water and being near electric wires during the rains.