Four people, including a civil servant, have been detained by the police for alleged possession and distribution of over 50,000 child sexual abuse materials, said Deputy Inspector-General of Police Datuk Seri Ayob Khan Mydin Pitchay in a press conference on Friday (April 4). br br Ayob Khan said the other three were an accountant, a web designer and a telecommunication company trainer and they are aged between 26 and 49.