The United States Treasury Secretary imposes fresh sanctions on Iran, blacklisting 20 Iran- and Iraq-linked companies and individuals.
The Iranian government announces that, effective immediately, petrol will be rationed to 60 litres per month, and prices will increase 50%. Fuel beyond the limit will cost double. Iranians take to the streets to oppose the plan, which results from United States sanctions against Iran.
In response to accusations by the United States that Iran is responsible for last week's attacks on two oil tankers in the Gulf of Oman, and the subsequent increased U.S. military presence in the region, Iranian President Hassan Rouhani says "Iran will not wage war against any nation".
Acting United States Secretary of Defense Patrick M. Shanahan authorizes the deployment of approximately 1,000 additional U.S. troops to the Middle East region "for defensive purposes to address air, naval and ground-based threats" amid increased tensions with Iran. The move comes four days after two oil tankers were attacked in the Gulf of Oman incident.
The United States Treasury Department announces new sanctions on Iran central bank governor Valiollah Seif and assistant director Ali Tarzali for allegedly helping the Islamic Revolutionary Guard Corps and Quds Force support Hezbollah.