BBC News By Branwen Jeffreys image copyrightBBC news image captionMr Dekas is seeking a High Court hearing with a young woman who is also concerned A father and a student campaigner are seeking a High Court hearing to consider whether the government should tighten youngsters' access to porn. Ioannis Dekas and Ava Vakil want the government to implement proof of age for access to pornography promised in the 2017 Digital Economy Act. It comes as new research suggests the majority of 16 and 17-year-olds in the UK have recently seen pornography. The government is currently preparing a new Online Harms Bill. This bill would go further than the Digital Economy Act, giving the watchdog, Ofcom, powers to block access to online services - including social media platforms and search engines - which fail to do enough to protect children.