Olivia Colman on her latest film ‘Wicked Little Letters’ and why she doesn’t look at anything online

Hate-filled, obscene messages, vulgar insults, all posted by anonymous trolls. No, this is not today’s social media, but 1920s Sussex and the true story of Edith Swan, a laundress accused of sending poison pen letters, in a scandal which gripped respectable society. We speak to Olivia Colman and Jessie Buckley about their latest film ‘Wicked Little Letters’.