Historic March heatwave pushes south-west US toward triple digits

California, Nevada and Arizona face record highs, with heat alerts and park trail closures as temperatures spike States across the US south-west recorded blistering temperatures at the tail end of winter, with forecasts indicating hotter days are still to come. California, Nevada and Arizona were all under heat warnings on Thursday amid record-breaking temperatures. Continue reading...

By Coral Murphy Marcos in Oakland, and agency