Mayor of London backs calls from unions to update health and safety rules in light of more frequent heatwaves The mayor of London, Sadiq Khan, is backing calls for a maximum workplace temperature as pressure grows on the government to protect workers from the impact of repeated heatwaves across t...

Source: [Guardian World](https://www.theguardian.com/environment/2026/jul/15/sadiq-khan-backs-calls-uk-maximum-workplace-temperature)

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