KARACHI: Security authorities have arrested Ahmed Shahzad, a close aide of Aqeel Ahmed, alias Dr Usman, the mastermind of the terrorist attack on Pakistan Army’s General Headquarters, DawnNews reported.

Sources said that intelligence agencies arrested Shahzad from the Karachi airport while he was attempting to flee from the country. Shahzad was found in military police uniform.

Security sources told DawnNews that Shahzad’s arrest came into effect a week ago, and that he has been transferred to an undisclosed location where investigation is underway. According to sources Ahmed Shahzad had links to a banned Pakistani organisaton.