Prigent

Pascal Prigent, Chief Executive Officer of GENFIT added: "We are excited to partner with Ipsen and launch this long-term strategic collaboration, with the goal to accelerate our growth and generate value for our shareholders.

Ms Prigent, who worked as a clinical trials coordinator at University College Hospital, is seen holding a placard saying: 'This episode of Black Mirror isn't funny any more!

Prigent wrote in a now-deleted tweet after the attack: ‘I am very sorry for my behaviour today.