Timeline of missing Tia’s disappearance
Here is a timeline of the key events in the disappearance of 12-year-old Tia Sharp.
:: Friday August 3
Tia Sharp is seen leaving her grandmother Christine Sharp's home in New Addington, south east London, at around midday.
The 12-year-old told relatives she was going to the Whitgift Centre in Croydon town centre, but it was the last time any of them saw her.
:: Monday August 6
Tia's family make an emotional plea for her to return home as police find no trace of her on CCTV footage they have been scouring.
:: Tuesday August 7
A CCTV image of Tia outside the local Co-op is released as her grandmother said she hoped it would jog someone's memory.
It was believed the last person who saw her was Mrs Sharp's partner, Stuart Hazell.
Police begin searching a local wood, Birchwood, scouring the undergrowth with long sticks.
The Sun newspaper offers a £25,000 reward for the safe return of Tia as her stepfather David Niles begs: "Just find my little girl."
:: Wednesday August 8
Police take a German Shepherd dog into Tia's grandmother's house, where it is believed she was last seen.
Volunteers and members of the local community continue to hand out posters, wear Find Tia t-shirts and conduct their own searches.
Metropolitan Police area commander Neil Basu announces that police officers have been redirected from Olympic duties to form part of an 80-strong team involved in the hunt for Tia.
Mr Basu says Scotland Yard has received more than 300 calls and 60 reported sightings of Tia.
Mr Hazell, 37, is led from Mrs Sharp's house by two men in plain clothes and voluntarily questioned by police.
:: Thursday August 9
Police search bins outside Tia's grandmother's home and around the estate where she lives, using sticks to scour through rubbish.
Scotland Yard say they have liaised with other police forces with expertise in missing child cases.
Tia's grandmother's partner Stuart Hazell says he was not the last person to see her and makes an emotional plea for her to return home in an interview with ITV News.
The schoolgirl's uncle, David Sharp, says Tia's family are "in bits".