World War One: Graves of two soldiers killed in action identified Two World War One soldiers who died in action and were buried unidentified now have names on their headstones, more than a century after their deaths. 2nd Lt Sam Hughes, from Flintshire, and CSM David Jones DCM, from Merthyr Tydfil, were killed on the same day during trench raids in 1917. An investigation identified their graves, allowing them to be rededicated in a ceremony in France on Thursday. They had been soldiers with 10th Battalion The Welsh Regiment.