SHAH ALAM, April 26 -- Police have detained a local man to assist investigations into a case involving alleged defiance of a decree by the Sultan of Selangor, Sultan Sharafuddin Idris Shah, relating to the conduct of Friday prayers and the call to prayer at a surau in Ampang.

Selangor police chief Datuk Shazeli Kahar said the 46-year-old suspect was arrested in Pandan Indah, Ampang, at about 3 pm today, with police also seizing a laptop, mobile phone and several documents for further investigation.

"Checks found the suspect has no prior criminal record, while a urine screening test returned negative," he said in a statement today.

He advised the public not to speculate or spread unverified information that could interfere with investig...