Police investigating the disappearance of 14-year-old Alice Gross continue to appeal for anyone who took part in a song-writing course with her at the Camden Roundhouse to come forward.
Detectives have renewed their appeal for anyone who may have befriended Alice at the music venue in Chalk Farm during the course in August to contact them to assist with the investigation.
The appeal came as two men were arrested in connection with Alice’s disappearance this weekend.
A 25-year-old man was detained on suspicion of murder in the Ealing area, west London, at 5pm on Saturday, after detectives received information about the case.
Yesterday officers arrested a second man, 55, on suspicion of murder in Hanwell, west London, at 1.35pm.
Police say the 55-year-old man’s arrest was “independent” of the arrest of the 25-year-old man
Both men remain in custody at a west London police station.
All lines of enquiry are still open at this time and the case remains a missing person investigation.
Detectives say there is no information at this stage to suggest that anything untoward may have happened to Alice but officers retain an open mind and are considering the possibility that she may have become a victim of crime.
On Saturday detectives released new images of cyclists on the towpath where Alice was last seen nine days ago.
The footage shows the cyclists arriving just before Alice walks past along the Grand Union Canal at 4.23pm on Thursday, August 28.
Officers believe the footage shows a group of three cyclists passing the Trumpers Way Canal Bridge in Hanwell.
Moments later two more cyclists pass under the canal bridge.
Officers have yet to identify any of these cyclists and have urged all five to contact police at the first available opportunity.
The investigation team have viewed hundreds of hours of CCTV and extensive searches have been completed using local officers, as well as specialist units from across the Metropolitan Police.
Alice was last seen by her family at 1pm on Thursday, 28 August, when she left her home address in Hanwell.
She told her family she would be home that evening, but she did not return.
She was seen on CCTV at 2.23pm walking alone on the Grand Union Canal towpath heading in the direction of Kew.
Alice was later seen at the same point along the tow path at 3.45pm heading in the direction of Hanwell.
Alice is white, 5ft 2ins tall and of very slim build with shoulder-length, light brown hair.
When last seen, she was wearing dark blue jeans and a dark green lacy cardigan.
She was carrying a dark rucksack and may have been wearing denim blue ‘Vans’ shoes and tartan-framed spectacles.
CCTV footage released earlier in the week shows that she had taken her cardigan off and was wearing a dark grey t-shirt. Police are especially concerned as Alice has not been in good health recently.
Alice’s sister Nina has played a key part in the search and has set up a dedicated Facebook page to appeal for information as well as taking to Twitter using the hashtag #FindAlice.
Det Ch Insp Andy Chalmers, of the Homicide and Major Crime Command, said: “I would urge everyone to take a good look at the pictures released to see if it jogs any memories of the day Alice went missing.
“If you are one of the cyclists pictured then please call the investigation team immediately because we need to find Alice.
“Her disappearance is out of character and this investigation continues to be a priority for us.
“I would like to directly appeal to anyone who has any information to come forward and speak to us.
“The information you hold no matter how small may just be the vital piece of information we require.”
Police have not been able to identify the gender or age of the five cyclists they are trying to trace, but have issued the following descriptions.
First group of cyclists:
Cyclist one - The cyclist is wearing a light coloured or white top, light blue trousers, and possibly a light coloured cycling helmet. By the riders posture it appears to be a mountain bike, but there is no colour or description of it.
Cyclist two - Cyclist is wearing light coloured top, light coloured trousers or shorts, with light and dark coloured shoes. The riders posture is more upright and could be a female’s bicycle.
Cyclist three - The cyclist is wearing a dark short sleeve top, dark shorts, light and dark shoes. The rider’s posture suggests this could be a mountain bike, but no colour or description.
Second group of cyclists
Cyclist four - The cyclist is wearing a very dark top and dark trousers. The rider’s posture suggests this could be a mountain bike.
Cyclist five - The cyclist is wearing a grey hooded top with hood up, dark trousers. The rider’s posture suggests this could be a mountain bike.
* Anyone with information can contact the incident room on 020 8358 0100, Ealing’s Missing Person Unit on 020 8246 1018, local police on 101, or the charity Missing People on 116 000.
Related stories: Officers probe missing 14-year-old Alice Gross’s time at Camden’s Roundhouse
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here