The first pictures of police digging in relation to the Moors murders have emerged.

A reporter from The Oldham Times' sister paper The Telegraph and Argus visited Saddleworth Moor this afternoon - there he photographed a single police forensic tent in the wilderness, as well as several force vehicles at the scene and captured video from the scene.

READ MORE: Police digging for Moors murder victim Keith Bennett

It comes after news broke this afternoon that police were exploring part of the moorland after a skull was found.

The Oldham Times: Keith Bennett. Picture: PAKeith Bennett. Picture: PA (Image: PA)

Greater Manchester Police confirmed at 1.44pm today that it has launched an investigation following a tip off yesterday afternoon from an author researching the murder of Keith Bennett.

Bennett was a 12-year-old was a victim of the Moors murders - carried out by Ian Brady and Myra Hindley in the sixties.

The Oldham Times: A police forensic tent on Saddleworth MoorA police forensic tent on Saddleworth Moor (Image: Will Kilner/Telegraph & Argus)

But he is the only victim who has never been found, as Brady and Hindley never revealed where he was buried.

The 12-year-old was last seen on June 16, 1964, when he left his family home to stay with his grandmother.

The Oldham Times: Police on Saddleworth MoorPolice on Saddleworth Moor (Image: Will Kilner/Telegraph & Argus)

The Daily Mail reported that the skull is believed to be that of a child aged around 12.

The Oldham Times: Police on Saddleworth MoorPolice on Saddleworth Moor (Image: Will Kilner/Telegraph & Argus)

Brady and Hindley murdered five children between July 1963 and October 1965 and extensive searches of the Moors led to the bodies of Pauline Reade, 16, John Kilbride, 12 and Lesley Ann Downey, 10, being found.

However, Bennett's was not found and searches for him stalled following the death of Brady in 2017.