KEY POINTS
  • "We are going to increase our sanctions on Iran and continue our foreign policy," Hook told CNBC's Hadley Gamble in Abu Dhabi on Saturday.
  • When asked what these sanctions would entail, Hook said the U.S. doesn't "preview sanctions."
  • Hook's comments come after a series of rapid escalations between Washington and Tehran.

U.S. special representative to Iran, Brian Hook, told CNBC on Saturday that the U.S. is going to increase sanctions on Iran.

"We are going to increase our sanctions on Iran and continue our foreign policy," Hook told CNBC's Hadley Gamble in Abu Dhabi on Saturday.