Iran's FM: US sanctions vote will kill 'probability' of nuke deal with West, spark retaliation

Iranian Foreign Minister Mohammad Javad Zarif, gestures as he speaks during a panel discussion "The Geopolitical Outlook" at the World Economic Forum, Friday, Jan. 23, 2015. The world's financial and political elite will head this week to the Swiss Alps for 2015's gathering of the World Economic Forum at the Swiss ski resort of Davos. (AP Photo/Michel Euler) (The Associated Press)

Iranian Foreign Minister Mohammad Javad Zarif, center, gestures as he speaks during a panel discussion entitled "The Geopolitical Outlook", flanked by Foreign Minister of Vietnam Pham Binh Minh, left, and CEO of Henkel AG Kasper Rorsted of Denmark at the World Economic Forum, Friday, Jan. 23, 2015. The world's financial and political elite will head this week to the Swiss Alps for 2015's gathering of the World Economic Forum at the Swiss ski resort of Davos. (AP Photo/Michel Euler) (The Associated Press)

DAVOS, Switzerland – Iran's foreign minister says if the U.S. Congress votes for more sanctions against his country, it will kill a nuclear deal with the West.

Javad Zarif warned Iran's parliament will retaliate if U.S. lawmakers approve fresh sanctions — even if President Barack Obama vetoes them.

But Zarif said there's "a very good probability" that a comprehensive deal over Iran's disputed nuclear program can be reached soon. More such negotiations are planned in Switzerland this weekend.

Zarif spoke in an Associated Press debate Friday at the World Economic Forum in Davos.

He disputed assertions by Germany's defense minister, Ursula von der Leyen, that sanctions were key in forcing Iran to the negotiating table, saying the country's driving force was a desire to "change our dynamics" with the rest of the world.