Danger warnings as heatwave hits western US

A dangerous heatwave was building over parts of the western United States Tuesday, with forecasters warning of rocketing temperatures in an early taste of a possibly brutal summer for the region.The mercury was expected to top out at well over 38 degrees Celsius, with some areas experiencing highs as much as 30 degrees above normal for this time of year.Southwestern desert areas and California’s Central Valley fruit basket were set to be particularly unpleasant, the National Weather Service warned.”Widespread temperature records are expected to be tied or broken across much of the…