Yemen is threatening to fracture even further, exposing a growing rift between Middle East powers Saudi Arabia and the United Arab Emirates.

The Houthis’ stepped-up detentions of civil society and UN agency members has contributed to increasing the humanitarian aid crisis in Yemen, already one of the worst situations in the world.

ADEN, Yemen -- Saudi-backed forces spread across Yemen's Mukalla on Sunday after retaking the port city which was seized by southern separatists last month. The capital of Hadramout province was retaken by Yemen’s internationally recognized government following days of Saudi airstrikes.

The Houthis, who control most of Yemen, issued a sharp warning to Tel Aviv after it formally recognised Somaliland, saying any Israeli presence in the breakaway Somalian region would be treated as a “military target”.

Following the United States' recent capture of Venezuelan President Nicolás Maduro and his wife, terrorist organizations and extremist groups worldwide – from Iranian-backed militias to jihadi networks – have used this opportunity to denounce what they characterize as American aggression and lawlessness on the international stage.

Yemen's more than decade-long civil war has flared up after a United Arab Emirates-backed separatist movement swept through territory in the south, splintering the Saudi-led coalition that was created to fight the Iran-aligned Houthi group.

Southern Transitional Council chief Aidarous al-Zubaidi didn't board plane to Saudi Arabia with other official for talks, now said to have 'fled to an unknown location'

Recent Saudi airstrikes against UAE- aligned separatists escalated tensions in southern Yemen. With Saudi Arabia and the UAE backing opposing factions, a return to fighting would most benefit the Houthis.