Dorset Street, originally known as Datchet Street, was a street in Spitalfields, East London, once situated at the heart of the area's rookery. By repute it was "the worst street in London", and it was the scene of the brutal murder of Mary Jane Kelly by Jack the Ripper on 9 November 1888. The murder was committed at Kelly's lodgings which were situated at No. 13, Miller's Court, entered from a passageway between 26 and 27, Dorset Street.