Home office experts are using the first ever device of its kind to search the area around a farmhouse on Kos where Ben Needham was last seen more that 21 years ago. The ground penetrating radar system has been developed for x-raying the ground beneath concrete.
This morning they used the machine on a nearby driveway. A JCB digger was also on farmland moving earth today and workers with chainsaws were cutting back trees in the search area. The search is due to last until at least the end of this week.
Cadaver dogs, specially trained to pick up the scent of human remains, are being used on farmland where Ben Needham was last seen.
Kerry Needham has spoken exclusively to Calendar as police step up their search to find her son Ben, on the Greek holiday island of Kos.
Police from the UK are using metal detectors in Greece to search the farmland where missing toddler Ben Needham was last seen alive.