An exceptionally early heatwave is breaking temperature records across Europe, including London, prompting government warnings and highlighting increasingly frequent extreme weather events.

Temperature records are breaking and triggering government warnings, with London hitting 95 degrees the past two days. Experts say unpredictable and extreme weather is becoming more frequent. <img alt="A man drinks Tuesday outside the Palace of Westminster in London." src="https://npr.brightspotcdn.com/dims3/default/strip/false/crop/1024x682+0+0/resize/1024x682!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Fd7%2Fbd%2F16f9674b41129cea178de3b8c65e%2Fap26146499510325.jpg" /><p>Temperature rec...