‘It felt way out of my depth’: Colin Firth on Lockerbie, the new TV drama about UK’s deadliest terror attack

Dr Jim Swire, whose daughter Flora died on Pan Am flight 103, has dedicated his life to finding the truth behind what happened to his child. It’s a quest that has inspired a five-part series, starring Colin Firth. Ellie Harrison hears from the actor, his co-star and the show’s creators about telling Jim’s story