LAHORE – The National Accountability Bureau (NAB) has widened the probeinto the corruption case involving Ahad Cheema and the Punjab LandDevelopment Company.

NAB has arrested four officials of the Punjab Land Development Company.

Sources said that the arrested officials include Chief Engineer IsrarSaeed, Bilal Qadwai, Imtiaz Haider and Col (retd) Arif.

The NAB officials had investigated the four officers for nine and a halfhours.