Instead of identifying hardcore troublemakers and arresting them to take them out of the equation , they aim to disperse unruly crowds with tear gas and water cannons .
The local police have an approach to dealing with public order disturbances that is outdated and indiscriminate .
Instead of identifying hardcore troublemakers and arresting them to take them out of the equation , police aim to disperse unruly crowds with tear gas and water cannons .
The local police have an approach to dealing with public order disturbances that is outdated and indiscriminate .