NDTV.com provides the latest information from and in-depth coverage of India and the world. Find breaking news, India news, top stories, elections, politics, business, cricket, movies, lifestyle, health, live TV, videos, photos and more.
The action was announced by the US Department of the Treasury Office of Foreign Assets Control, which said those designated are based in Iran, Turkey, and the United Arab Emirates.
Iran's Revolutionary Guards on Tuesday threatened to end oil production in the Middle East if the Islamic republic faced attacks launched from its Gulf neighbours' territory.
President Donald Trump has announced an extension of the ceasefire in the Iran war, giving mediators additional time to arrange a new round of face-to-face talks between the US and Iran.
US-Iran War, Ceasefire, Peace Talks Updates: The war is in its eighth week and has sent oil prices surging because of the closure of the Strait of Hormuz.
Iran's Foreign Ministry said that the reasons for Iran not going to Islamabad are "the contradictory messages, contradictory behaviours, and unacceptable actions of the American side".
"I expect to be bombing because I think that's a better attitude to go in with. But we're ready to go. I mean, the military is raring to go," US President Donald Trump said.