A newly appointed U.S. envoy says she hopes Lebanese authorities are committed to making sure that the Hezbollah militant group isn't a part of the new government in any form.

Hezbollah, a powerful Iran-backed militia, has long been the country’s dominant political force and has formed part of the government for decades.

Morgan Ortagus is heading a delegation and set to arrive in Lebanon on Thursday night, the first such visit by Trump administration officials.