22 August 2010 (BBC): Tens of thousands of people in southern Pakistan are fleeing a threatened flood-surge, three weeks after heavy monsoon rains first hit the country. In the city of Shahdadkot, a hastily built barrier has been breached, allowing floodwaters to approach. An estimated 4 million people have now been displaced in the city of Sukkar alone. Meanwhile, the World Health Organization (WHO) says diseases are spreading in affected areas. Sindh in the south is now being described as the country’s worst-hit province, with officials saying at least 200,000 residents have fled in the last 24 hours. Read more here.