Police officers in St. Louis was heard chanting "whose streets, our streets" during a recent protest: https://www.washingtonpost.com/news...gainst-police-killing/?utm_term=.e5ce4cb1c208
AP article: http://abcnews.go.com/US/wireStory/dozens-arrested-st-louis-readies-protests-49922602
Some protesters complained that police were unnecessarily aggressive. Further inflaming tensions, a St. Louis photographer reported he and others heard police chant whose streets, our streets after making some arrests.
The photojournalist, David Carson, later tweeted that hed spoken to the commander at the scene, who said that he did not hear the chant but that it was unacceptable and he would deal with it.
The Associated Press also independently reported on the police chanting. The phrase used is commonly chanted by demonstrators, particularly Black Lives Matters protesters.
AP article: http://abcnews.go.com/US/wireStory/dozens-arrested-st-louis-readies-protests-49922602
Later, officers in riot gear gathered alongside a city boulevard chanting "whose street, our street" a common refrain used by the protesters after clearing the street of demonstrators and onlookers.