detained, held (in custody)
Entregaram ao policial quando eles foram detidos.
They handed it over to the police when they were detained.
— A Lenda de Bhagat Singh (2002)
Eles acabaram de serem detidos em Chawla.
They have just been detained in Chawla.
— Irmão Bajrangi (2015)
Por que eles não podem ser detidos?
Why can't they be detained?