Rep. Barbara Comstock, Republican, Virginia, had perhaps the best statement on this mess:

“Once again we are faced with inexplicable stories coming from the White House that are highly troubling.  We need to have immediate classified briefings on what occurred at this meeting so that Congress can at least know as much as Russian leaders and know the impact on our national security, our allies, and our men and women protecting our country.”  

Let me repeat the key passage in this statement: "so that Congress can at least know as much as Russian leaders..."

https://comstock.house.gov/media-center/press-releases/rep-comstock-statement-reports-president-shared-sensitive-intelligence