US heatwave expected to break more records following multiple deaths in Oregon

Forecast predicts ‘most dangerous portion of the heatwave’ would last through Tuesday evening in Pacific north-west

The Pacific north-west braced for more sweltering temperatures on Tuesday as authorities in Oregon reported multiple heat-related deaths, with forecasters warning the dangerous weather wasn’t over yet.

Officials in Multnomah county, which includes Portland, have said they are investigating four suspected deaths tied to the heatwave, which has cooked the region in triple-digit temperatures for days on end.