The Siege of Sidney Street
The film dramatises the 1909 Tottenham Outrage - a bungled wages-snatch which resulted in the murder of a police officer and a ten-year-old bystander as well as the two armed robbers - and the 1911 Siege of Sidney Street , in which armed police surrounded a house in East End of London occupied by a gang who had killed three police officers during a bungled attempt to break into a jeweller's shop . 
<triplet> Siege of Sidney Street <subj> East End of London <obj> located in the administrative territorial entity