an arrest: a detention, a capture (by the police)
There were several arrests during the demonstration. The police took people away for questioning.
to be under arrest: to be detained by the police, to be taken into custody (at a police station)
They're under arrest until further notice. They won't be able to leave the police station.
to arrest somebody: to detain, to capture, to take a person for questioning by the police
The police arrested the suspect outside his house. Now they have taken him to the police station to question him.
Still having difficulties with 'Arrested' Test our online English lessons and receive a free level assessment!
Do you have smart way of remembering this rule? A tip to avoid making a mistake on 'Arrested'?
Share it with us!