President Barack Obama says the United States has authorized all of the government's resources to investigate the disappearance of an Air France plane off the coast of South America.
Obama told French President Nicholas Sarkozy that Americans offer their thoughts and their prayers to the French, particularly those who lost family members. Investigators are searching for debris from Air France Flight 447, which lost contact with officials on June 1 during a flight from Rio de Janeiro to Paris.
Two Americans were among the 228 people aboard.
Obama says it is not clear yet what happened to the plane but the two countries want to find out what caused the loss of the plane.
