Lawyer Aamer Anwar formally requests an investigation into Police Scotland after a fatal accident inquiry revealed officers mocked Alan Hay when he begged them for help before his death.
More than 200 British citizens in Glasgow underwent spot checks by immigration officers in 21 months, prompting claims the Home Office has been conducting racial profiling.
Campaigners call for immediate changes to put in place better out-of-hours mental health provision in prisons.
There have been more than 58 suicides over the last ten years in Scottish prisons.
It is claimed that an urgent review of how the Home Office uses information leading to immigration operations – sometimes known as “raids” – is needed.