Nearly 700 arrests have been made overnight in Canada, during the latest protest in Quebec against a huge planned rise in student tuition fees. The rallies have been on-going for more than 100 days. Police in Montreal dispersed unsanctioned protests and arrested 518 demonstrators on Wednesday night. The arrests were also made in Quebec City, where some 170 were detained, and in Sherbrooke. There were no reports of injuries or casualties.