It means to sieze or to take into custody.
The police can arrest you ANYWHERE.
an arrest warrant.
no, you can not. but police can arrest you.
An arrest by the Military!
You could try a citizen's arrest but the police man may refuse to be arrested. It is only a warranted police officer that is empowered by society to forcibly arrest someone.
Police officers can arrest you
No
The policemen were arresting the burglars after finding them red-handed.
Yes, of course. An arrest warrant is a command from a judge to arrest a person. Usually a police officer has no choice and must arrest.
They arrest you if you have possesion of it.
Yes
There is no such thing as an illegal argument so the illegal police will not arrest you.