8216;US has close relationship with Pak on combating terrorism8217;

8220;We have had a close relationship with the Pakistani Government and I suspect that we will continue to work with them in pursuance of a policy that blunts the ability of extremist groups to attack both of our societies,8221; Duguid told reporters.

However,the State Department official declined to comment on the arrest of the top Taliban leader Mullah Abdul Ghani Baradar in Karachi,which is being said to be a major catch for the US.

8220;There have been other instances of such cooperation and I expect them to continue. On this particular press report,I don8217;t have anything further for you,8221; Duguid said when asked about the arrest of the Taliban leader.