Several hundred mourners joined a public funeral service on Saturday to bid farewell to a Canadian Muslim family run over and killed by a man in a pick-up truck last Sunday in an attack the police said was driven by hate.

The hour-long ceremony started after the four coffins draped in Canadian flags rolled into the compound of the Islamic Centre of Southwest Ontario, and ended with prayers and condolences offered by religious and community leaders.

The four victims, spanning three generations, were killed when Nathaniel Veltman, 20, ran into them while they were out for an evening walk near their home in London, Ontario. A fifth family member, a 9-year-old boy, is recovering from his injuries in the hospital.

Police have...