Story highlights Trump celebrated Clapper's comments

Clapper said he was unaware of the FBI investigation into potential collusion

Washington (CNN) The White House responded to hours of Senate testimony Monday by saying there was still no evidence of collusion between the Trump campaign and Russia.

Former Director of National Intelligence James Clapper said before a Senate Judiciary subcommittee that he was not aware of any evidence demonstrating collusion, but also said he had been unaware of an FBI investigation into the matter until FBI Director James Comey announced it to the public at a House hearing in March.

Clapper previously made a similar comment in an interview on NBC . Pressed by Sen. Lindsey Graham if that claim was still accurate, Clapper said, "It is."

On the same matter, former acting Attorney General Sally Yates said her answer would require revealing classified information and noted that Clapper had just said he was unaware of the FBI's investigation.

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