(CNN) A Syrian radio host who satirized both President Bashar al-Assad and opposition insurgents including ISIS has been shot dead in Syria's rebel-held Idlib province, the Syrian Journalists Association said Saturday.

Raed Al Fares and another activist and journalist, Hamoud Junaid, were killed Friday in the town of Kafr Nabl after being hunted by extremist groups, the journalist group said.

"Both of the men who were killed were pioneers of civil society and brought the free voice to the world through the famous banners of Kafr Nabl," a statement from the group said.

The Syrian Observatory for Human Rights, a British-based human rights group, said unidentified gunmen killed Fares and Junaid in Kafr Nabl, where their US-funded Radio Fresh station was based.

CNN's @HalaGorani remembers Syrian activist Raed Fares ... who was assassinated near Idlib #RaedFares pic.twitter.com/YJkJRQXjwH — Jason K. Morrell (@CNNJason) November 23, 2018

No group has claimed responsibility for the killings.

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