<prompt> Bhala okuqhubekayo kwalesi sigaba - I-Police Tactical Unit ye-Hong Kong Police Force isebenzise imicibisholo engu-87 ye-CS kokubili isibhamu esivuthayo esivuthayo futhi esiphonswe ngesandla eHong Kong ngo-28 Septhemba 2014 ngokumelene nezinkulungwane zababhikishi ezivimbela imigwaqo emikhulu eHong Kong 2014 Ukubhikisha eHong Kong  <response>: , eyaziwa nangokuthi i-Umbrella Movement. 