In Pakistan, flood waters surged through Punjab province, destroying homes and crops taking the deal toll to 79. The authorities warned the deluge could spread to southern Sindh which has largely remained unaffected. Unprecedented monsoon rains triggered the worst floods in Pakistan since 1929. The floods have affected a total of 3.2 million people and killed 1,500 across the country.Some 30,000 people were evacuated by the military and rescue services from Kot Addu city in Punjab province and nearby Layyah while 800,000 others were still stranded.The floods threatened a key power plant and an oil refinery at Kot Addu. The floods also affected Mithankot, Rajanpur, Dera Ghazi Khan and Rahim Yar Khan.Waters inundated railway tracks and crops on thousands of acres. The shrine of Sufi poet Hazrat Khwaja Fareed was closed in view of the flood threat.People stranded by floods in Taunsa Sharif and Dera Ghazi Khan complained that they were still waiting for aid from the government. Floods also hit Jhang district, inundating 80 villages.A breach in a water channel on the banks of the Jhelum river allowed flood waters to inundate a vast area of Kot Khan and Pirkot Sadhna in Jhang. In south-western Balochistan province, the flood situation in Jafarabad and Nasirabad worsened following heavy rains yesterday. Meanwhile, UN chief Ban Ki-moon is rushing special envoy Jean-Maurice Ripert to Pakistan to assess the dire flood situation and the relief effort. UN spokesman Martin Nesirky said in a statement that Ripert, the UN special envoy in charge of humanitarian affairs for Pakistan, will help mobilize international support to assist the Pakistani government in addressing the urgent, immediate needs of the population in the affected areas.