President Obama praised the work of former CIA chief General David Petraeus. Speaking to reporters he said the General had served America "with great distinction" and from what he knows at "this point in the investigation", did not act in a way that compromised national security.
"I have no evidence, from this point, from what I have seen, that classified information was disclosed that would have impacted on our national security."
General John Allen is being investigated for "inappropriate communication" with the woman at the centre of the CIA affair scandal.
The director of the CIA, General David Petraeus tendered his resignation as head of the leading U.S. spy agency on Friday.