It’s in the running to be the UK’s next city of culture. But this week Swansea has been celebrating the 20th anniversary of a film whose portrayal of the city was as bleak as it was darkly comic. Twin Town, which helped launch the career of the actor Rhys Ifans, has become loved by the very place it parodied. Its director Kevin Allen has been speaking to our correspondent Andy Davies.

And be warned there is strong language in his report right from the start.