British Foreign Office said that the sanctions were imposed in coordination with the United States. The sanctions target Reza Falahzadeh, deputy commander of the Iranian Revolutionary Guard, three units of the Guard's Quds Force, financier Saeed al-Jamal, residing in Iran.

Last November, the Houthi group began preventing commercial ships from reaching Israel in solidarity with the Gaza Strip. The United States and Britain struck military targets in Yemen and formed an alliance that they said aimed to protect ships in the Red Sea.