LAGOS, July 12, 2020 (Xinhua) -- An excavator works on the ruins after a building collapse accident in Lagos, Nigeria, July 11, 2020. At least two people were killed and eight others injured on Saturday after a residential building collapsed in Lagos, Nigerias economic hub.

VANCOUVER, July 12, 2020 (Xinhua) -- People participate in the anti police brutality rally in Vancouver, British Columbia, Canada, July 11, 2020. Thousands of people in several cities in British Columbia took part in the anti police brutality rally on Saturday.

TORONTO, July 12, 2020 (Xinhua) -- People wearing face masks visit the Royal Ontario Museum (ROM) in Toronto, Canada, on July 11, 2020. After a 4-month shutdown, the Royal Ontario Museum reopened to the public starting on Saturday, with visitors required to wear face masks or face coverings.