Police are not required to go to anyone’s aid; so says the Supreme Court.
https://www.bing.com/search?q=supreme+court+says+police+are+not+required+to+come+to+your+aid&form=EDNTHT&mkt=en-us&httpsmsn=1&refig=1a25fb1b39b240f2e2afa4e4f604a971&PC=DCTE&sp=-1&pq=supreme+court+says+police+are+not+required+to+come+to+your+aid&sc=0-62&qs=n&sk=&cvid=1a25fb1b39b240f2e2afa4e4f604a971
Unless they have an SOP that says they do.