air traffic control restrictions at heathrow airport on sunday have been lifted. national air traffic control serviceshe number of flights. you are live with bbc news. a recent groundbreaking court decision in america has allowed hundreds of families to sue four of the biggest tech companies in the world after claims the platforms caused harm to their children. meta, tiktok, snap and google, all say they plan to robustly defend themselves. but lawyers for the families point to the case of the 14—year—old british schoolgirl, molly russell, who ended her own life after watching harmful content online, as an example, of the dangers facing children on social media. angus crawford has more. i feel like they killed my son. that's how i feel. jennifer mitchell had no idea herson, ian, kept a secret. i keep his ashes in here. ian didn't tell her about the graphic videos he saw on social media about russian roulette. she only found out after he died, killed by a single gunshot. jennifer, along with hundreds of other parents, is suing the social media companies she blames for ian's death. to me, itjust feels li