[Watser?]

"The U.S. Senate’s move is unquestionably in breach of both the spirit and the letter of the nuclear deal," Ali Akbar Velayati, a senior adviser to Supreme Leader Ayatollah Ali Khamenei, was reported by media as saying on Friday.

"The Iranian committee tasked with monitoring the accord will certainly examine the congressional move and come up with a decent response."

U.S. Senate's Iran sanctions are breach of nuclear deal: senior Iranian official