South-west braces for record-breaking heatwave up to 120F | First Thing

National Weather Service urges people to take precautions against life-threatening heat conditions'. Plus, what is a TikTok girl dinner'?

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The US's summer of weather misery is expected to escalate further this week as the south-west braces for record-breaking temperatures never seen before.

What has the NWS said? The atmospheric setup ... also looks to have similarities to the conditions on July 28 1995, that led to Phoenix reaching 121 degrees and Yuma hit 124 degrees," the NWS said, adding: Even if we do not get quite that hot during this current heatwave, this should go down as one of the longest, if not the longest duration heatwave this area has ever seen."

Has Twitter taken any action? Twitter has received notice of the legal action and has since acted to block some of the offending tweets.