Watch this archive video footage of forensic officers searching near the Regent's Canal lock during their investigation into the death of Gemma McCluskie.
More top news
Police investigating the murder of a grandfather from West Ham have arrested a second man on suspicion of murder.
Police are appealing for information after a woman was killed and three people injured after a crash in east London.
A restaurant where pets and their owners can share a meal together has opened just in time for Valentine's Day.