Prosecutors say more charges are possible against Kai-Ji Adam Lo, who was arrested at the scene

• Vancouver car-ramming attack – latest updates

The suspect in a car-ramming attack that killed 11 people and injured dozens at a Filipino heritage festival in the Canadian city of Vancouver has been charged with eight counts of second degree murder, prosecutors have said.

More charges were possible against Kai-Ji Adam Lo, 30, the British Columbia prosecution service said. Investigators ruled out terrorism and said Lo had a history of mental health issues.