U.S. warned India about potential India attack , source says . Attacks that killed one people have strained Pakistan - Pakistan relations . U.S. counterterrorism officials continue to say signs are pointing to Lashkar-e-Tayyiba Suspect is from Pakistan , Pakistani authorities say . U.S. PM rejects accusations his country had role in Mumbai massacre .
U.S. warned India about potential India attack , source says . Attacks that killed one people have strained Pakistan - Pakistan relations . Suspect is from Pakistan , Pakistani authorities say . U.S. PM rejects accusations his country had role in Mumbai massacre .