A source close to Madeleine McCann's parents has told ITV News that they are "aware" Portuguese police are investigating the possibility a former employee at the hotel in Praia de Luz where the family were staying may have kidnapped her.
It is understood the 40-year-old man died in a tractor accident in 2009 - two years after Madeleine disappeared.
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Chancellor George Osborne will seek to reassure financial markets on Monday morning following Britain's decision to leave the EU.
In his first outing since the referendum result, the lead Leave campaigner has outlined his vision for a post-Brexit Britain.