Pakistan's Khyber Pakhtunkhwa province on Friday declared a rain emergency in several districts with immediate effect till August 30 after disaster management officials warned that the Swat River has reached "high to very high" flood levels.

The emergency was declared on the recommendation of the district administration and the Provincial Disaster Management Authority (PDMA) after flash floods wreaked havoc in Swat, Shangla, Mingora, Kohistan and other areas.