Three directors and two former directors of an engineering firm have been detained by the MACC to assist in a corruption case related to the Mass Rapid Transit (MRT) project worth over RM650 million.

According to MACC sources, four men, including one ‘Datuk’, and a woman, all aged between 43 and 63, were detained when they turned up to give their statements at the MACC headquarters in Putrajaya yesterday.

The sources added that the two former company directors are believed to have...