A series of measures will be implemented in al-Mahfad district to enhance security against terror elements after an IED targeted a Security Belt Forces patrol Thursday.
The IRGC has been funneling weapons and money to Yemen's Houthis and Lebanon's Hizbullah in an effort to expand its regional influence at the expense of Gulf states.
Lebanon's military court has been grappling with the thorny issue of prosecuting citizens who traveled to Syria to fight with extremist groups.
Al-Qaeda elements are no longer able to carry out large-scale attacks against security forces in Abyan and resort instead to planting IEDs in smaller, isolated attacks, a Yemeni official said.
The militia has been forced to cut salaries and services to its support base as its main backer the IRGC suffers the effect of sanctions.
A shooting spree by an alleged former member of ISIS in Syria resulted in the killing of two police officers and two members of the Lebanese army.
The group seeks to capitalise on ISIS's defeat and reaffirm that Ayman al-Zawahiri remains its leader, despite rumours of infighting.
Hizbullah has been circumventing the recent US sanctions and is bringing Iranian steel into the Lebanese market illegally, traders say.
The US State Department has released a video in which it claims the IRGC has set up a base in a Hizbullah stronghold near the Syrian border.
PMF deputy head Abu Mahdi al-Muhandis has announced his solidarity with the IRGC, after the US designated it as a terrorist organisation.