Nearly 700 Chinese nationals have been detained in Malaysia after the Immigration Department raided the call centre of a suspected online scam syndicate based in the science park town of Cyberjaya. National news agency Bernama described the raid, carried out on Wednesday, as the largest this year. In addition to the 680 Chinese detained, a further 100 people escaped as immigration officers approached the six-storey building thought to house the call centre. The office had security guards,…