Police in Cambridge, Massachusetts, are asking for the public's help in the investigation of a sexual assault last week.
Cambridge police say a masked man armed with a knife allegedly sexually assaulted someone at a commercial building in a plaza off Cambridgepark Drive Friday. Officers responded to the scene just after 9:15 p.m. for the report of an assault in progress.
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The victim told officers that the assailant was a masked man with a knife and that he allegedly attacked her in a restroom of a commercial building, police said, without giving a specific location for the alleged assault.
On Thursday, police investigating the case said they were looking for video from around the time of the incident.
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The Cambridge Police Department is asking the public "to review their home surveillance, cell phones, and dash cameras that recorded the Cambridgepark Drive area" between 5 p.m. and midnight Friday.
Anyone with information is asked to call 617-349-9151 or submit a tip online.
