The family of missing schoolgirl Alice Gross has issued an emotional plea for her to return home as police stage a reconstruction of her final movements four weeks after she disappeared.

Police frogmen are continuing to search a river near to where missing British teenager Alice Gross was last seen as a knife found in the water is sent for forensic analysis.

No evidence that Alice Gross has been harmed

Detectives searching for missing teenager Alice Gross have formally requested full details of the murder conviction against the prime suspect in her disappearance, Scotland Yard confirmed.

The hunt for missing schoolgirl Alice Gross has led to the biggest search operation since the 7/7 bombings, Scotland Yard said.