KUALA LUMPUR : Bersih 2.0 chairperson Maria Chin Abdullah has gone to court to challenge her detention under the Security Offences (Special Measures) Act 2012 (Sosma).
Chin, 60, was detained for 28 days under Sosma last Saturday, which was on the eve of the Bersih 5 rally.
The application was filed through lawyers Datuk S. Ambiga, Eric Paulsen and Melissa Sasidharan at the High Court Registry.
They also filed an a certificate of urgency together with the application.
The application by Chin named Bukit Aman's Classified Crimes Investigations Unit head Supt Tham Lai Kuan, the Inspector-General of Police, the Home Minister and the Government of Malaysia, as the respondents.
Also present in court were Chin's other three sons - Azumin Mohamad Yunus, 23; Aziman Maria Mohamad Yunus, 22, and Azemi Maria Mohamad Yunus, 20.
An affidavit to support the application was also filed at the registry.
The affidavit was signed by Azumin.
Speaking to reporters before filing the habeas corpus, Ambiga said the application was to seek the immediate release of Chin.
"The application is also to get an urgent date, as soon as possible, to have the habeas corpus heard."