Kettling (also known as containment or corralling) is a police tactic for controlling large crowds during demonstrations or protests. It involves the formation of large cordons of police officers who then move to contain a crowd within a limited area. Protesters are left only one choice of exit controlled by the police – or are completely preven...
Found on
http://en.wikipedia.org/wiki/Kettling
Term which is used to describe the police tactic of penning protesters into an area by forming a barrier around them and refusing to let them out
Found on
http://www.encyclo.co.uk/local/22643
the tendency of groups of hawks to swirl together in a thermal (see below)
Found on
https://www.encyclo.co.uk/local/21787
No exact match found.
