CHICAGO (AP) — The latest on the aftermath of the shooting of a black teenager by a white Chicago police officer (all times local):

11 a.m.

A protest march has begun in Chicago's shopping district, with the Rev. Jesse Jackson in the middle of a crowd that's shouting, "What do we want? Justice. When do we want it? Now!"

Several hundred demonstrators have gathered in the drizzling rain, many with umbrellas and plastic-wrapped signs.

Among them is 73-year-old Frank Chapman of Chicago, who says a video released Tuesday showing the fatal shooting of 17-year-old Laquan McDonald by police officer Jason Van Dyke confirms what activists have said for years about Chicago police brutality.

He says his organization, the Chicago Alliance Against Racism and Political Oppression, is pushing for an elected, civilian police accountability council.

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9:50 a.m.

An association representing hundreds of high-end retailers, hotels and restaurants in Chicago's Magnificent Mile district says it's confident authorities will maintain order for thousands of Black Friday shoppers as groups protest a 2014 police shooting.

The release of a video showing the fatal shooting of 17-year-old Laquan McDonald has set off days of largely peaceful protests. Taking Friday's demonstrations to the city's main shopping area ensures high visibility.

John Curran is vice president of the Magnificent Mile Association, which represents 780 businesses on North Michigan Avenue. He says members always have robust public safety plans in place because of the area's high profile, its huge crowds and the urban setting.

And protests there are nothing new.

Some 20 million people visit each year. North Michigan Avenue is one of the largest shopping attractions in the Midwest and hosts many flagship stores, hotels and luxury brands.

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7:55 a.m.

The Chicago Teachers Union is encouraging its members to join a march in Chicago's shopping district to protest the fatal shooting of a black teenager by a white police officer.

CTU President Karen Lewis issued a statement urging members to express their "outrage and dignity" by participating in Friday's march on Michigan Avenue on a stretch called the Magnificent Mile.

The 11 a.m. demonstration will be the latest in the city since Tuesday, when officials released dashcam video that shows 17-year-old Laquan McDonald being shot 16 times and prosecutors charged Officer Jason Van Dyke with first-degree murder.

Chicago police say they are prepared to support a peaceful march and will be on hand to address traffic and public safety.

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12:30 a.m.

Protests over the videotaped fatal shooting of a black teenager by a white Chicago police officer are set to move to the heart of the city's famed retail district on the busiest shopping day of the year.

A protest march down part of Michigan Avenue called the Magnificent Mile is planned for Friday at 11 a.m. It is being organized by the Rev. Jesse Jackson and other local activists.

The march will be the latest demonstration in the city since Tuesday, when officials released dashcam video that shows 17-year-old Laquan McDonald being shot 16 times and prosecutors charged Officer Jason Van Dyke with first-degree murder.

The other demonstrations have been largely peaceful. On Thursday afternoon, police said they had made a total of just nine arrests.