Severe dust storms claimed 10 lives in Uttar Pradesh as New Delhi remained enveloped in dust haze in the day to register the highest night temperature in 41 years. <br/><br/>High velocity winds lashed Kanpur, Firozabad and Auriya districts in Uttar Pradesh resulting in wall collapses that caused the deaths. The Capital registered a record night temperature of 34.7 degrees, which is 6 degrees above normal. <br/><br/>According to the Met Department, severe heat wave conditions continue unabated in Orissa and coastal Karnataka. Sambalpur in Orissa was the hottest in the county with a searing high of 46.8 degree celcius. <br/><br/>Some parts of Himachal Pradesh and Rajasthan received rainfall, providing the states with a slight relief from the heat wave. Sikar in Rajasthan simmered at 42.5 degree celcius as Hissar in Haryana registered a high of 42.7 degrees to be the hottest city in the region.<br/>