The CBI has arrested two more accused in the Railway bribery scandal involving nephew of Railway Minister PK Bansal and a Board member, taking the total number of arrests by the agency to eight.

Rahul Yadav, one of the middlemen, named in the FIR, was arrested by the agency on last night. Meanwhile, Samir Sandhir, associate of Rahul Yadav was arrested by CBI this morning.

Two courier boys, who allegedly delivered 90 lakh rupees cash as bribe to Bansal's nephew for fixing the promotion of a Railway Board member, were arrested by the agency yesterday.