Figures show hundreds detained in Police Scotland cells for immigration purposes, prompting calls for greater transparency over Home Office enforcement.
A charity in Glasgow that counsels torture survivors is among 60 organisations urging the UK government to increase the asylum support allowance during the Covid-19 pandemic.
A new report by an influential Westminster committee accuses the UK government of "serious failings" in the detention of immigrants.
The Law Society provided a submission to Westminster's Joint Committee on Human Rights, which recommends that immigration detention powers should be stripped from the Home Office.
Human rights campaigners have expressed concern over the safety of vulnerable people held at Dungavel Immigration Removal Centre after a sharp rise in crime complaints over the past five years.
Dozens of torture victims detained at Dungavel immigration centre have been refused release despite doctors' concerns over their mental health.