A 38-year-old man has been arrested following reports of stalking and sexual assault at a Sainsbury's supermarket in Chertsey, Surrey.
The incidents took place between 1pm and 2pm on January 23, at the store on Guildford Street.
A 20-year-old woman and a 15-year-old girl were allegedly sexually assaulted whilst shopping at the supermarket.
The suspect, who is from Chertsey, remains in police custody.
The incident took place at the Sainsbury's on Guildford Street in Chertsey, Surrey
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Surrey police arrested a 38-year-old man
PA
"We are now interested in speaking to any individuals who may have witnessed the incident, particularly the male member of the public who helped the victims."
Anyone with information is urged to contact police quoting reference PR/45250008927.
Witnesses can get in touch via the police webchat service, online reporting tool, or by calling 101.
The force is particularly keen to speak with the male bystander who intervened during the incident.