Facebook and Twitter bosses defend social media
Mark Zuckerberg and Jack Dorsey have been grilled by US Senators over their election role.
Mark Zuckerberg and Jack Dorsey have been grilled by US Senators over their platforms' election role. Democrats questioned whether the social media giants had done enough to flag up disputed claims. Also: the Pentagon confirms that Donald Trump will almost halve America's troop presence in Afghanistan before he leaves office, and the human cost of Ethiopia's action in Tigray.