The party's affiliation with the Iranian regime and its proxies could deprive Lebanon of the assistance it needs to pull out of its crisis.
Following recent assassinations and unrest, new security measures have been activated in the southern province's valley and desert areas.
The Islamic republic has not taken sufficient measures against money laundering and the financing of terrorist groups, the Financial Action Task Force said.
The incident shows that the Houthis are using Yemeni civilians as shields in their war against the internationally-recognised government, observers say.
The implementation of an agreement between Yemen's government and southern separatists will help to subdue al-Qaeda, observers say.
There are signs the Lebanese militia will take on a more visible role in Iraq, where the late Iranian commander maintained a presence.
Some of the new weapons have technical characteristics similar to arms manufactured in Iran.
Masked gunmen targeted a gas pipeline in an area of the peninsula where Egyptian forces have been conducting a campaign against ISIS.
Close to 10,000 Yemenis have been displaced in recent weeks amid ongoing fighting in eastern Sanaa and in Marib and al-Jawf provinces.
Saudi officials said their country's air defence forces last week shot down missiles aimed at Aramco oil facilities, according to the Wall Street Journal.