The latest in the investigation into the fatal shooting of a black man by Minneapolis police that has sparked days of demonstrations (all times local):

1:45 p.m.

Leaders of the NAACP are appealing for Minneapolis police to exercise restraint in dealing with protests over the fatal shooting of an unarmed black man by an officer.

Police used a chemical irritant to control protesters Wednesday night outside a north Minneapolis police station where a makeshift encampment has been set up and hundreds of demonstrators have gathered since Sunday's shooting of Jamar Clark.

Tensions had been high since earlier Wednesday, when police moved to clear protesters out of the vestibule of the station. A police spokesman said officers used the irritant after rocks and bottles were thrown at them.

Nekima Levy-Pounds, president of the Minneapolis chapter of the NAACP, told reporters Thursday it shows there's been a "militarization" of the department. She asked the community to exercise restraint, too.

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1:30 p.m.

The NAACP is organizing a candlelight vigil and march for Friday evening outside a Minneapolis police station that's been the scene of protests since the fatal shooting of an unarmed black man by a police officer.

Speaking at a news conference outside the station Thursday, Stephen Green, national director of the NAACP's youth and college division, called for a candlelight vigil and march there starting at 4:30 p.m. Friday. He said the weather may be cold, but people's hearts are burning for justice for Jamar Clark.

Clark was shot by an officer Sunday.

Nekima Levy-Pounds, president of the Minneapolis chapter of the NAACP, renewed demands for investigators to release video of the shooting. She rejected authorities' claims that releasing video would compromise the integrity of the investigation.