Global News at 5:30 Toronto August 4 2021 8:22pm 27:39 Global News at 5:30: August 4, 2021 Andre De Grasse does Canada proud by sprinting to a gold medal in Tokyo. The province promises a fresh start to the new school year with new air filters. Also, why is the W.H.O. asking countries to put the brakes on COVID-19 booster shots. REPORT AN ERROR Responsive site?