By 14 September, only one person was detained in hospital.
A person may be detained under Schedule 7 for up to 9 hours.
It is a system in which a person can be detained for up to 4 years without being convicted by a court.
It remains unclear what the person has been detained for.
In terrorism cases, a person may be detained for a maximum of 28 days.
The court then has a further 24 hours either to order a custody, or to release the person detained.
In cases without physical restraint or legal obligation, it may not be clear whether a person has been detained.
Under Tajik law, a person can be detained for 18 months before trial.
Once arrested, a person may be detained for up to 3 days without knowing what he/she is alleged to have done.
A person may be detained for criminal activities occurring either within or outside Singapore.