A group of Minneapolis activists blocked Minneapolis Council Member Andrea Jenkins’ car from leaving a parking lot Sunday night until she agreed to six of their demands, on video and in writing — including a call for Mayor Jacob Frey’s resignation. A series of videos captured part of the incident at Loring Park, where a Taking Back Pride march ended Sunday; marchers called for an end to police at Pride festivals, protection of Black trans people, and community control over the police. Jenkins, a biological male who is the nation’s first black, openly transgender person elected to public office, was...