Campaign calls for entertainment venues to plan for terror attack

So-called Martyn’s law would compel premises to take steps to bolster their securityA group representing terrorism survivors will call on the Home Office to require all venues and public spaces – from arenas to pubs – to prepare a dedicated security plan in case of an attack.Called Martyn’s law, the proposal is named after Martyn Hett, who was killed in the Manchester arena attack two years ago, and is supported by his mother, other terror survivors and former counter-ter