Wildfires blaze across western states as heatwave shatters records

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Firefighters are working in extreme heat to contain a number of wildfires raging across the US west, with the largest burning in California and Oregon, as another heatwave bakes the region and puts strain on power grids.

The Beckwourth Complex, which is the largest wildfire of the year in California, was raging along the Nevada state line and has burned about 140 square miles (362 sq km) as of Monday. State regulators have asked consumers to voluntarily conserve as much electricity as possible" to avoid any outages starting in the afternoon.