Police are asking for a missing man to get in contact with them through Facebook.

Sussex Police are appealing for help in tracing Robert Barry from Crawley who has been reported missing by concerned friends who have not heard from him in a month.

The 59-year-old man used Facebook to contact a friend on April 12 but has not responded to friends since then.

Anyone with information regarding the whereabouts of Robert Barry is asked to contact Sussex Police on 101 quoting serial 392 of 23/4.