Zuckerberg apologises and promises reform

Facebook's founder, Mark Zuckerberg, has apologised to a US senate committee for allowing other firms to misuse his platform's personal data for political ends. Mr Zuckerberg said he was personally accountable for any failure by Facebook to live up to its responsibilities.

A small town in Cambodia is being described as "ground zero for drug-resistant strains of malaria". Vaccines that once protected humans seem to have become ineffective there.

President Omar al-Bashir of Sudan has ordered the immediate release of all political prisoners. According to state TV, the decision was taken to "promote peace and harmony". Several political parties had been calling for detainees to be freed so that they could take part in talks about how to solve some of the country's problems.