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The two-week COP27 climate summit in Egypt is entering its final day as delegates continue to grapple with a number of sticking points. These include what level of scrutiny countries should face for delivering on climate targets, and funding for developing countries most affected by climate impacts.

President Biden has praised the Speaker of the US House of Representatives, Nancy Pelosi, who has announced she will not seek re-election as the Democratic leader in the chamber when the Republicans take control in January.

And Twitter has told its workers all the firm's offices will be closed from now until Monday.