Tens of thousands filled the streets of Montreal on Tuesday in the largest protest to date in Quebec’s student strike. The protests have swelled in recent days after the Quebec provincial government approved an emergency law requiring demonstrators to inform police of any protest route involving 50 or more people. Tuesday’s protest fell on the strike’s 100th day, and organizers say up to 400,000 people took part. Solidarity demonstrations were held across Canada as well as in New York, with supporters donning the red felt square that has come to symbolize the Quebec student strike.