26 windows have been broken since January 17, and investigators believe whoever is launching the projectiles is likely doing so from outside the buses.
The party's former deputy leader was elected by her colleagues to serve as interim leader after a majority of MPs ousted Erin O'Toole from the top job. Bergen faces a caucus that has spent weeks divided and angry over O'Toole's leadership since last year's election loss.
The new blockade is about 18 kilometres north of Coutts and, although numbers have decreased since Wednesday night, there was still a large presence Thursday morning with semi-trailers, heavy equipment and trucks blocking access.
Police estimate they have already spent more than $3 million to manage the protest and respond to emergencies. In comparison, the Canada 150 celebrations on Parliament Hill in 2017 cost Ottawa police about $1.5 million.
The Department of National Defence says dozens of Canadian Armed Forces members who refused to get vaccinated have now been kicked out of the military. Release proceedings have started for hundreds of others facing the same fate, unless they roll up their sleeves for the COVID-19 shot.
A 23-year-old man was arrested at the scene and police say he has been charged with murder. Jack Sepple, who lived at the address where Wadsworth died, was charged Thursday.