Machine-gun wielding militants killed five members of the security forces who were manning a checkpoint in the province's Ahwar district.
In his first message in almost a year, the shadowy ISIS leader attempts to rally his scattered followers and reassert his leadership.
The Zainabiyat battalion, based on an Iranian model, was formed to support the militia and help it hold onto the areas under its control.
The UAE will continue to fight al-Qaeda's Yemen branch until the group is broken as a regional and global threat, a military commander says.
Internal security must be improved and sleeper cells more tightly monitored to prevent future attacks on the kingdom, analysts say.
Security agencies received information that the cell, holed up in a residential unit in 6th of October City, had been planning attacks.
Four members of the security forces were killed in a raid on a militant hideout in Salt during which three members of an ISIS-aligned terror cell were killed.
The latest clashes are a sign of increased tensions between the two extremist groups in Yemen, analysts say.
The panel said there was a 'high probability' that the missiles were manufactured outside of Yemen, shipped in sections to the country and re-assembled by the Houthis.
A master's degree programme in countering terrorism and extremism aims to graduate qualified researchers who can develop strategies in the field.