Kate and Gerry said: 'As we arrive at the 18th anniversary of Madeleine's abduction ... Missing People' for their ongoing, invaluable work, & to all organisations, charities and police forces ...

"We’re very grateful to the UK Charity, ‘Missing People’ for their ongoing, invaluable work, & to all organisations ... gathering today to mark the 18th anniversary of their daughter ...

They wrote: "As we arrive at the 18th anniversary of Madeleine’s abduction ... Charity Missing People for their ongoing, invaluable work and to all organisations, charities and police forces ...

The family of Madeleine McCann has commemorated the 18th anniversary of her disappearance ... ‘Missing People’ for their ongoing, invaluable work, & to all organisations, charities and police ...

The heartbroken parents of Madeleine McCann have released a touching message to mark the 18th anniversary of the tot's disappearance ... ‘Missing People’ for their ongoing, invaluable work, & to all ...

‘As we arrive at the 18th anniversary of Madeleine’s abduction, we’d like to thank our faithful supporters once again for standing by us and never forgetting about Madeleine. ‘The years ...

They said: "As we arrive at the 18th anniversary of Madeleine’s abduction ... charity Missing People for their ongoing, invaluable work and to all organisations, charities and police forces ...

Madeleine McCann’s family has marked the 18th anniversary of her disappearance ... charity Missing People for their ongoing, invaluable work, and to all organisations, charities and police ...

Madeleine McCann disappeared from a holiday flat in Portugal in May 2007 (Handout/PA) Madeleine McCann’s family has marked the 18th anniversary ... invaluable work, and to all organisations ...

“We’re very grateful to the UK charity Missing People for their ongoing, invaluable work, and to all organisations, charities and police forces who remain committed, despite many challenges ...