A seized South Korean-flagged tanker is escorted by Iranian Revolutionary Guard boats in the Persian Gulf. This comes as Tehran is enriching nuclear fuel to 20% purity.

In this photo released Monday, Jan. 4, 2021, by Tasnim News Agency, a seized South Korean-flagged tanker is escorted by Iranian Revolutionary Guard boats on the Persian Gulf. Iranian state television acknowledged that Tehran seized the oil tanker in the Strait of Hormuz. The report on Monday alleged the MT Hankuk Chemi had been stopped by Iranian authorities over alleged “oil pollution” in the Persian Gulf and the strait. (Tasnim News Agency via AP)