Transcript for Trump refuses to explain why he's inviting President Putin to the US

We have other news Toni we beg the wee in helsinof course president trump on thetage there with Vladimir Putin. Siding within overis own intelligence agenc tonight the new ll after that surprisweet 24 hours ago. President trump's invitation of Putin to shington. The president got support from his secretary of S today, and will americansr kno what president trump and Vladimir Putin talked about in thathour meeting only their interpreters were there.hepp David Wright. Reporter:ight, as he headed off to his bedminster golf course, president trump refusingo explain why he's ting Vladimir Putin to Washington this fall. White house still reelinom days of damage control after their first summit in Helsinki. Still, secretary of state Mike Pompeo says a second sitdown with Putin is a great idea. If that meeting taklace in Washington I think it's all to the good.those convsations ar incredibly imp. Reporter: At least one top mber of thadministration was caught off guard by the invitation. The nationt senior intelligen official. We have some breaking news, the white house has anced on te vlar pin is coming to the white house in the fall. Sayt That's going to be special. Rorter: Director of Al intellince Dan cos says even he still doesn't K whatut trump disssed in their two-hour, one-on-one meet in Helsinki. I think we will learn more. But that is president's prerogative. Reporter: But Russia is telling world the O leers reached important verbal agreements. Russia'sdor to the U.S said Putin proposed a referendum in ern ukraineo E the conflict there, and president tru was considering , but today spokesman for E ecurity council rejectedhat idea says a referendum would have no legitimacy. The lack of concrete information from the administration has meergress deeply frustrated. We can talk to Putin all day long. 'S what I want to know. What did you agree to do with him and give chance if think it makes any sense. David wrighith us live tonight from the white house, and David, asekn, the is that push from many in cess to president S interpreter now. Obviously it only T esident, vdimir putiand those interpreters in the room bu bottom ne how lukely is ity et that trslator to talk? Reporter: V unlikely, David. She is a veteran state department interpreter. Departments and some republican have bnopingo Cher to testify behind closed do but ds speak to the level of frustration over the lack of clarity over Helsinki. David wrightth house a Friday nit.vid, thankou. We turn overseas tonight and

This transcript has been automatically generated and may not be 100% accurate.