The Bihar police have arrested five youths for their involvement in hawala transactions. The last arrest was made on Monday from Dhanbhad, Jharkhand.br br Investigations into the Patna blasts suggest that six persons involved in a major hawala racket received money from across the border. While the police has been unable to establish if this illegal money fund the October 27 attack carried out by the Indian Mujahideen, sources told that a part of the funds were being used by the IM for its terror-related activities.