The Vancouver man accused of murdering eight people by ploughing a vehicle into a crowded street celebration on Saturday night had been grappling for months with the impact of his brother's murder.

Thousands of Filipinos in Vancouver were celebrating Lapu-Lapu Day on Saturday, marking a defining moment in Philippine history, when tragedy struck - a vehicle drove into the crowd killing multiple people and injuring others.

Vancouver Lapu Lapu Day Festival attack killed 11 people and left over 30 injured. The victims include a teacher, a real estate agent, and a 5-year-old girl.