Magajin garin birnin New York Michael Blomberg yace an kara tsananta matakan tsaro cikin birnin domin bayanai masu sahihanci da aka samu duk da cewa ba’a tabbatar hakikanin inda ake auna kai harin ba, da aka kitsa domin yazo dai dai da cikar shekaru 10 da kawowa Amurka harin ta’addanci da aka yi ranar 11 ga watan satumban 2001.
