Abdirahman Abdi's fatal encounter with Ottawa Police

The Special Investigations Unit is piecing together what happened ina confrontationbetween Ottawa police officers and a Somali-Canadian man on a Sunday morning in Ottawa's Hintonburgneighbourhood.

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People in the city, and its Muslim community, meanwhile, keep asking how an interaction with police could end up with a man, who is said to have mental health issues, dying.

Here iswhat we know so far about what happened and when, and how people are responding to the death of 37-year-oldAbdirahman Abdi: