<span style="color: #222222;">Delhi government has extended its list of cluster containment zones to 56 yesterday to contain the spread of COVID-19. Area around G, H and I Block of Police Colony in Model Town in the North district of the National Capital was the only new addition to the list of containment zones. <br />''<br />''There were eight such zones demarcated a day before. Orders have been given to seal the area under the Operation Shield of the Delhi government. </span><br />