Thousands of people descended on Ottawa’s Sandy Hill area following the annual Panda Game football match on Saturday, with partygoers flipping a vehicle on Russell Avenue.  

According to Ottawa police, most of the afternoon following the game between the University of Ottawa Gee-Gees and Carleton Ravens — a fall football tradition — was considered under control. But the situation quickly soured in the evening.

Police had a large presence ready most of the day. But when officers and members of the force’s emergency services unit were re-deployed after 8 p.m. ET, following reports of large crowds gathering, the avenue was overrun.

“By the time we showed up, there