Pak scientist A Q Khan remains 8216;proliferation risk8217;: US

8220;We believe that he remains a proliferation risk. We are following this closely,and of course,the Pakistani Government,as I say,is well aware of our concerns about Mr Khan,8221; he said.

Kelly was responding to questions about the Lahore High Court on August 28 suspending the 8220;security protocol8221; accorded by the government to Khan,accused of running a clandestine proliferation network,and directing authorities not to restrict his movements.

Acting on a petition filed by Khan who sought removal of the restrictions on his movements,the Lahore High Court said the scientist is a free man and can go wherever he wants. Responding to another question,Kelly said Khan8217;s activities are well known. 8220;We have concerns about them,and we have made those concerns known to the Pakistani Government,8221; he said.