Tensions are rising within the Senate Republican Conference, with internal disagreements coming to a head. Senate Majority Leader John Thune has cautioned his colleagues about a potential legislative issue. The warning comes as Republican senators are at odds with each other and the White House over various matters.

A clash between Senate Budget Committee Chair Ron Johnson and Senate Appropriations has been reported. Further details on the developing situation are available from KTSM 9 News, which is following the story as it unfolds in the nation's capital.