Bail can be given by the police or it can be given by a court before which the defendant appears. There is a presumption that bail should be granted (s4 Bail Act 1976). However bail need not be granted where there are substantial grounds for believing the accused would, if granted bail:
* Fail to surrender to custody.
* Commit an offence while on bail.
* Interfere with witnesses or otherwise obstruct the course of justice.
The court can also refuse bail if it is satisfied that the defendant should be kept in custody for his own protection.
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