Detectives from the Met's North Area Command Unit are investigating a group of sexual assaults in the Hornsey, Crouch End and Stroud Green area.
In each incident, the victims, who have all been females walking alone, were approached by a man riding a moped, who has followed the victims and sexually assaulted them before fleeing.
On 3 March a 23-year-old woman was walking in Malvern Road N8 when she was assaulted at 01:17hrs.
On 16 March a 29-year-old woman was assaulted in Despard Road N19 at 01:00hrs.
On 29 March a 22-year-old woman was assaulted in Despard Road N19 at 00:10hrs
On 29 March a 14-year-old girl was assaulted in The Broadway at 20:45hrs.
On 30 March a 29-year-old woman was assaulted at 22:40hrs in Nelson Road N8.
On 18 April a 19-year-old woman was assaulted in Lancaster Road N4 at 22:15hrs.
The man was described as riding a moped with a box on the back, suggesting he is possibly working as a courier or delivery driver, or fast food worker. He is generally described as wearing dark clothing.
Detective Inspector Pete Dyche, of the North Area Command Unit, is leading the investigation. He said: "We are keeping an open mind as to any links amongst these crimes. We are carrying out a number of urgent enquiries as part of our investigation and are doing our utmost to catch the perpetrator(s).
“I would advise that anyone walking alone in the evening in these areas to be mindful of their surroundings and to report any suspicious activity to police immediately.”
Anyone who has information that might assist the investigation is asked to call or 101 or email P228017@met.police.uk quoting CAD 694/3MAR19
Alternatively, tweet @MetCC. Information can be submitted anonymously to Crimestoppers on 0800 555 111.