News portal Sina.com.ch reported recently that Apple was considering embedding China search engine Baidu (BIDU) in its operating system next month.

FORBES: Apple CEO Takes China Tour

Det Ch Insp Sean Memory, who is leading the search at that site, said officers had received "relatively specific" information from a man held in connection with Miss O'Callaghan's death but that no remains had yet been found.

BBC: Sian O��Callaghan

Ch Supt Steve Headley said further use of mobile phone technology had produced several "hot spots" that specialist search teams were examining.

BBC: Police 'very close' to finding missing Sian O'Callaghan