Newton Stewart

Police are appealing for witnesses after a 79-year-old man went missing on a daily walk in his home town as mountain rescue join the search.

In April 1942 an Avro Anson plane left RAF Wigtown for a test flight. The aircraft crashed on the Cairnsmore hillside, killing two of the three -strong crew.

Rob Kerr is one of about 140 people, including 50 Scots, working at the British Antarctic Survey’s Rothera Research Station.