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Brazil has recorded its hottest ever temperature - 44.8C (112.6F) - as parts of the country endure a stifling heatwave.

You may have seen the video of Taylor Swift struggling to catch her breath while performing in Rio de Janeiro. She pushed back a performance on Saturday after it emerged a fan had died after going into cardiac arrest at the stadium.

Climate change and El Ni帽o are both impacting this heatwave. But what is El Ni帽o? We explain.

And Dr Sooj (@doctorsooj on Tik Tok) offers advice about how to spot, and prevent, heat stroke.

Plus, North Korea has revealed that its put its first spy satellite into orbit. Surbhi Kaul from 成人论坛 Monitoring tells us more.

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