Global News Hour at 6 April 20 2017 10:01pm 02:31 Loading... Controversial Vancouver 4/20 rally attracts thousands Thu, Apr 20: A sea of people causing traffic chaos, and smoking pot, in Vancouver’s West End as the annual 4/20 festival went ahead as scheduled. Paul Johnson reports. Thousands smoke up at Vancouver’s 4/20 rally at Sunset Beach Responsive site? HTTPS:// site?