The US Treasury Department announced sanctions against Hasan Irlu and Al-Mustafa International University on Tuesday.
Both Saudi Arabia and United Arab Emirates would benefit from two weak states kept in perpetual conflict, expert says.
Preliminary deal between Yemen government and southern separatists would bring separatists into a new cabinet.
STC forces said an agreement to end the standoff in the southern city could be signed imminently.
The Southern Transitional Council, backed by United Arab Emirates, is leading the separatist cause in Aden.
Deputy foreign minister calls on STC to hand over arms to government of President Abd-Rabbu Mansour Hadi.
Interior minister acknowledges defeat to UAE-backed southern separatists, accuses Riyadh of not protecting its allies.
Call comes hours after southern separatists in Aden take control of the presidential palace and government army’s camps.
At least one person killed as fighting between southern separatists and government troops continues for second day.
At least one person killed in clashes between presidential guards and UAE-backed southern separatists, witnesses say.
In a letter sent to UN chief, Hadi says Martin Griffiths threatens ‘prospects for a solution’ to the conflict.
President-aligned parliamentarians gather in Sayoun, eastern Yemen, elect GPC’s Sultan al-Burkani as new speaker.
At least 60 people killed when prison facility bombed by Arab coalition in port city of Hodeidah.