An Indian court has urged the government to declare a national emergency over the country’s ongoing heatwave, saying that hundreds of people had died during weeks of extreme weather. India is enduring a crushing heatwave with temperatures in several cities sizzling well above 45 degrees Celsius (113 degrees Fahrenheit). It has not published nationwide figures for deaths attributed to the current heatwave but the eastern state of Bihar said Friday at least 14 people had “succumbed to death due to heat stroke” the previous day during extreme temperatures. The High Court in the western state of R…