The parents of Madeleine McCann thanked "everyone who stayed with us" as they marked the three-year anniversary of their daughter's disappearance.

In a message on their findmadeleine.com website, Kate and Gerry McCann said: "We know we couldn't have achieved as much as we have without this help."

They added: "Milestones and anniversaries are never easy, but the work to find our little Madeleine will continue regardless, with the same determination and tenacity as it always has and for as long as it takes.

"It might be three years without Madeleine but it certainly doesn't feel like we're at the end of the line - far from it.

"Madeleine. Still missing, still missed, still looking!"

The little girl was nearly four when she vanished from the family's apartment in the Algarve resort of Praia da Luz on May 3 2007.

On Monday the McCanns released a new video as part of the third anniversary of their search.

The short film shows the couple pursuing attempts to find their missing child over the past three years, from handing out posters in Portugal to chasing up leads from their home in Rothley, Leicestershire.

It includes a new photograph of a grown up-looking Madeleine wearing blue eyeshadow accompanied with a pink bow in her hair and a gold bead necklace.

The video, produced by family friend Jon Corner, was originally shown at a fundraising event in London in January to mark the 1,000th day since the little girl's disappearance.