Simon Glancey has submitted the following:
Sgt Riley was killed when Avro Lancaster I PD823 LE-G of 630 Squadron was lost on a mission to Darmstadt. The Lancaster crashed near Idar-Oberstein, some 30 miles NNE of Saarbrucken, with the loss of all seven crew members.
Royal Air Force Bomber Command Losses of the Second World War: 1944; W.R. Chorley; 1997; Midland Counties Publications; ISBN 0 904597 91 1, page 415
Tiny Hibberd has added the following:
Lancaster PD283 LE-G had departed East Kirkby at 2044 for Ops Darmstadt.
Thomas Richard Riley is remembered in Bedlington on B15.02 and B15.08