This is the 10007th most frequent Russian word.
арестованы
"Arrested."
Here, 'арестованы' is used as a past participle in passive voice indicating the action of being arrested.
Вчера были арестованы трое подозреваемых.
Yesterday, three suspects were arrested.
'Арестованы' here denotes a completed state after the act of being arrested.
Полицейские сообщили, что преступники уже арестованы.
The police reported that the criminals had already been arrested.
In this sentence, 'арестованы' appears in a future passive voice context, indicating a potential arrest action.