in 2017, facebook and instagram were taking down 35,000 posts a day about self— harm and suicide alone. so, this is regulation not at a minor scale, but at an industrial scale. while there's criticism about whether the plans go far enough, they will mean a revolution in how the online world is policed. katie prescott, bbc news. and finally — a festival of lights is brightening up the dark nordic winter in the danish capital. the majority of the light works are placed along the quay and on the bicycle bridges of copenhagen. following the repeal of covid—19 restrictions, organisers hope to welcome more visitors than last year, when more than half a million people visited over a three—week period. the festival has 50 installations making it the largest in europe. you can reach me on twitter — i'm @ rich preston