Covid updates: Punjab allows reopening of schools; new cases at Tokyo Olympics

Punjab govt ordered reopening of schools for Classes 10 to 12 from July 26. Scientists at IIT Ropar have developed an Oxygen Rationing Device in view of Covid. The West Bengal govt made it mandatory for all travellers coming to the state to carry a negative RT-PCR report. Coronavirus cases rose to 71 at the Tokyo Olympics. Watch the video for top updates on the pandemic.