India asked doctors to cancel vacations Friday and rushed food and medicine to flooded regions where disease has stricken thousands of people. A wild storm hit Pakistan's largest city, pushing the death toll from a particularly calamitous South Asia monsoon season past 2,000, the Associated Press reported. Helicopters have dropped food to hundreds of thousands of people left homeless. Relief workers said there was an acute shortage of clean drinking water and medical supplies parts of northern India, where storms have been heavier than usual this year. With flooding from two weeks of rains finally receding in northern India, monsoon storms moved west. Heavy winds and rains lashed the Pakistani city of Karachi, destroyed homes and flooding streets. At least 22 bodies were pulled from collapsed homes, said Anwar Kazi, a spokesman for the private relief service Edhi Foundation. Residents waded through waist-deep water in parts of the city of 15 million people, local television showed.