In Pakistan, after devastating northwest Pakistan, flood waters today surged into the central Punjab province, submerging dozens of villages. Flood waters entered Kot Addu city in Muzaffarghar district of Punjab and threatened to inundate a key power station and an oil refinery. The railway track connecting Kot Addu and Taunsa Sharif too was inundated.With floods hitting Mianwali, Bhakkar, Dera Ghazi Khan, Rajanpur, Muzaffarghar and Rahim Yar Khan districts, over 750 villages were affected in southern Punjab. Rescue workers struggled to rush aid to the 3.2 million people hit by the worst floods in eight decades.Meanwhile,the water level at Warsak dam, Pakistan's third largest dam, rose following the fresh rains and authorities asked residents on the outskirts of Peshawar to leave their homes. Heavy showers also hit flood-affected areas of southwestern Balochistan province and officials said more rain was forecast in the coming days. Fresh floods damaged homes, roads, bridges and railway tracks.An estimated 3.2 million people, including 1.4 million children, have been affected by the worst floods witnessed in northern Pakistan in 80 years, UNICEF said.