Police guarding the house of the grandmother of Tia Sharp, where a body was found yesterday. Pic: Emma Jane Burgess

Police have made two further arrests in connection with their investigation into the disappearance of Tia Sharp, following the discovery of a body at the grandmother’s house in New Addington on Friday August 10.

In a statement they said that a 46-year-old woman was arrested on suspicion of murder and a 39-year-old man was arrested on suspicion of assisting an offender. Both remain in police custody at a south London police station.

Their identities have not yet been revealed by police, although the Independent is reporting that they are the grandmother of Tia Sharp and a neighbour.

Upon the discovery of a body at the home Tia Sharp’s grandmother in New Addington on Friday afternoon, police began a manhunt for Stuart Hazell, 37, who had gone missing. He was arrested on Friday evening in Merton, south London, after police were alerted to his whereabouts by a member of the public.

Police said that they have yet to formally identify the body and that a post-mortem is due to take place. They have not yet confirmed precisely where in the house the body was found.