The United States on Tuesday announced sanctions on a “wide range of terrorists and their supporters,” including the Palestinian group Hamas and Iran’s Islamic Revolutionary Guards Corps, on the eve of the 18th anniversary of the Sept. 11 attacks.

The targets include 15 leaders, individuals and entities affiliated with groups such as Hamas, al Qaeda, Islamic State and Iran’s IRGC, the U.S. Treasury Department said in a statement.

The sanctions were applied using new tools from an executive order recently updated by President Donald Trump.

Read more: Reuters