article_snippet: A police officer has been sacked after A police officer was filmed forcing A police officer knee against a female suspect's neck until a female suspect collapsed unconscious.
article_snippet: Another officer told a supervisor about the incident four days after it happened,  KCNC-TV in Denver reported.
article_snippet: the incident occurred July 10.
article_snippet: We have repeatedly talked about the fact there is a culture of change within the Denver Police Department demanded by the community and this is a part of it.'
article_snippet: The use of police force has become a flashpoint topic since the shooting last August of black teenager Michael Brown by a white officer which sparked a wave of protests across America.