To Rusty, Lionheart and Meridian,
Many thanks to all of you for the correct answer. Apologies, too, for the very late acknowledgement of your assistance - had some friends over and they have just gone - first opportunity to check for replies.
I now have to reassess my answer "Tall story" for RTE's your leading technician to turn a tale that's not a tale! (4, 5) T _ U _ / _ T _ R _ Must be TRUE STORY instead of TALL STORY