police – n. a government agency responsible for guarding the public, keeping order, and making sure people obey the law; members of that agency

militant – adj., trying to cause political change, often by the use of force or violence; n. someone active in trying to cause political change

happen – v. to become a fact or event; to take place

video – n. a method of recording images and sound without a traditional film camera to be shown on a television, computer or other device