More than 100 rescue workers, firefighters, sniffer-dog squads and bomb and gas experts were deployed to the gutted building in a subsidized housing complex in the city of Reims, east of Paris, officials said.

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Dave King, from the service, said sniffer dogs and thermal-imaging equipment had been used.

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Police on Monday were still scouring the area where the body was found for clues, with the help of sniffer dogs, the state-run Anadolu Agency reported.

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"Temperatures as low as -3C have affected the sniffer dogs' sense of smell, " it added.

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After the women were rescued, fire crews remained on the beach with a sniffer dog until they could confirm that no-one had been trapped by the landslip.

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Armed guards and sniffer dogs have been posted at both hotels and X-ray machines are to screen guests' bags.

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Such activities, co-ordinated by Leicestershire police, have included translators, family liaison officers, child abduction experts and specialist sniffer dogs, but there have been little or no new initiatives in the last few weeks.

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Few maps are made of where the mines are laid, and since the home-made varieties contain very little metal, they are extremely difficult to detect and so sensitive that even sniffer dogs can detonate them.

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