MONICA DAVEY

Donald Trump’s campaign abruptly canceled his Chicago rally Friday night over security concerns as protesters clashed with his supporters inside an arena where he was to speak.

Mayor Rahm Emanuel ousted Chicago’s police superintendent Tuesday, after the city’s police department came under fire over an officer shooting a teenager 16 times, and for resisting, for more than a year, to release a video of the fatal shooting.

Chicago officials released a chilling dashcam video of the fatal shooting of a black 17-year-old on Tuesday, just hours after a white police officer was charged with first-degree murder in the encounter.

Federal education authorities, staking out their firmest position yet on an increasingly contentious issue, found Monday that an Illinois school district violated anti-discrimination laws when it did not allow a transgender student who identifies as a girl and participates on a girls’ sports team to change and shower in the girls’ locker room without restrictions.

Minnesota’s civil commitment program — which detains more people per capita than any other state — is facing an overhaul. Earlier this year, a federal judge found it unconstitutional, but changing it is unpopular with politicians.