Protesters rally to demand justice for George Floyd, an unarmed black man, died of police brutality in Minneapolis of the United States on May 25, in Vancouver, British Columbia, Canada, May 31, 2020. (Photos: Liang Sen/Xinhua)

Protesters rally to demand justice for George Floyd, an unarmed black man, died of police brutality in Minneapolis of the United States on May 25, in Vancouver, British Columbia, Canada, May 31, 2020.

Protesters rally to demand justice for George Floyd, an unarmed black man, died of police brutality in Minneapolis of the United States on May 25, in Vancouver, British Columbia, Canada, May 31, 2020.

Protesters rally to demand justice for George Floyd, an unarmed black man, died of police brutality in Minneapolis of the United States on May 25, in Vancouver, British Columbia, Canada, May 31, 2020.

Protesters rally to demand justice for George Floyd, an unarmed black man, died of police brutality in Minneapolis of the United States on May 25, in Vancouver, British Columbia, Canada, May 31, 2020.

Protesters rally to demand justice for George Floyd, an unarmed black man, died of police brutality in Minneapolis of the United States on May 25, in Vancouver, British Columbia, Canada, May 31, 2020.

Protesters rally to demand justice for George Floyd, an unarmed black man, died of police brutality in Minneapolis of the United States on May 25, in Vancouver, British Columbia, Canada, May 31, 2020.

Protesters rally to demand justice for George Floyd, an unarmed black man, died of police brutality in Minneapolis of the United States on May 25, in Vancouver, British Columbia, Canada, May 31, 2020.