A sawn-off shotgun and two rounds of ammunition have been found by police after two cars were stopped in south London.
The vehicles were stopped in Westcott Close in New Addington on Tuesday evening. The firearm was found on the back seat of a BMW. Five men have been arrested.
Stuart Hazell today denied killing 12-year-old Tia Sharp, his partner's granddaughter.
Hazell, 37, appeared at the Old Bailey via videolink from Belmarsh prison.
He pleaded not guilty to murdering Tia between August 2 and 10, last year.
Tia's body was found in the loft at the house of Christine Sharp a week after she was reported missing.
Her disappearance sparked searches by police and members of the public, but the body was missed when the attic was first searched.
Dozens of candles have been lit at the bus stop in New Addington which could have been used by schoolgirl Tia Sharp the day she went missing.
Among the tealights are handwritten notes asking for Tia to be brought home.
Tia vanished on Friday lunchtime, after telling relatives she was going to the Whitgift Centre in Croydon town centre.
Hundreds of missing posters have been distributed around New Addington area and Tia's face looks out from most local shops and noticeboards.
The grandmother of missing schoolgirl Tia Sharp is pinning all her hopes on this CCTV image helping to find her.
The 12-year-old has not been seen since leaving grandmother Christine Sharp's home in New Addington, south east London, at around midday on Friday.
Today, speaking from her terrace house, Mrs Sharp said she hoped an image of Tia taken outside the nearby Co-op on Thursday would bring forward new information.
"We're hoping the pictures will jog someone's memory, yes," she said when asked to discuss the disappearance.
She thanked the community for supporting the family but declined to talk at any length.
A man inside the house, who didn't give his name, said the family didn't want to talk and were going through a terrible time.
Outside the house a solitary candle burned in a glass holder.
Police hunting missing 12 year old Tia Sharp have been scouring hours of CCTV footage but say they have not found any trace of Tia, who has never gone missing before.
The youngster's uncle, David Sharp, is urging anyone who knows of his niece's whereabouts to come forward
Missing 12 year old Tia Sharp's grandmother has appealed to her to "come home."
Christine Sharp told LBC radio: "She's very much loved, very, very much missed. Just contact any of us whatever way she can."
Tia Sharp, who hasn't gone missing before, was last seen leaving her grandmother's home in New Addington at around midday on Friday after telling relatives she was going to the Whitgift Centre in Croydon town centre.
Detectives hunting for a missing 12-year-old girl are continuing to sift through hours of CCTV footage for a clue to her location.
Tia Sharp, who has not gone missing before, was last seen leaving her grandmother's home in New Addington, south east London, at around midday on Friday after telling relatives she was going to the Whitgift Centre in Croydon town centre.
Police investigating the murder of Ryan Musgrove on 16 July 2009 have offered a £20,000 reward on the third anniversary of his death.
Officers want information relating to a gunman who was seen riding a bike around the murder scene in the days leading up to Mr Musgrove's death.
Police describe the man as a white, with a slim build, wearing dark clothing, possibly a balaclava, a cycling helmet, goggles or sunglasses and a face mask.
He left the scene on a black mountain bike in the direction of New Addington, Croydon.
In the days leading up to the murder detectives know that the suspect was seen on 9th July at 6pm at Coney Hall Recreation Ground. He was seen again on 13th July between 4.30pm and 5pm
On 14th July, the suspect was seen at 6.30pm at Sparrow Den playing fields. Two days later on 16th July he was seen again between 6pm and 6.30pm when Ryan was shot.
The gun used in the murder was a Luger P8, a World War Two German issue firearm. Detectives say it is an unusual weapon and very distinctive.
Police are urging anyone with information to get in touch.