The wreckage of a bus, carrying Assad regime troops, attacked by the Islamic State in eastern Syria, December 30, 2020

An Islamic State missile attack has killed five Assad troops and wounded 20 in the al-Badia desert region in eastern Syria.

An Assad military official said a military bus was struck about 7 p.m. on Sunday by missiles, followed by cannon fire.

The attack was the latest by ISIS on the road between Deir ez-Zor in eastern Syria and Palmyra in the center of the country.

The Islamic State once held a large part of north, central, and east Syria. It was removed from cities, towns, and villages between 2017 and 2019 by separate offensives by the US-backed, Kurdish-led Syrian Democratic Forces and by Russian-enabled pro-Assad units.

However, ISIS cells have continued to strike Assad military in the al-Badia region, and they have carried out operations in other parts of the country.

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Trying to cover up its inability to halt the attacks, the Assad regime pushes the disinformation that ISIS is backed by US forces in Syria and Iraq.