An Israeli court sentenced an Arab citizen on Monday to 11 months in prison for traveling to fight alongside Syrian rebels in the Jewish state’s war-torn neighbor, AFP reported. 

Several Arab Israelis have been arrested after returning from Syria, where armed opposition to President Bashar al-Assad is now dominated by jihadists, including the terror group Islamic State (ISIS).

Yusef Nasrallah travelled via Jordan to Syria where his intention was to “die as a martyr alongside rebels” fighting Assad, the court said in its verdict.

But two days after reaching Syria, Nasrallah was arrested by the Assad regime and spent eight months in prison where he was “tortured and interrogated”.

During that time, he passed on information about an Israeli military base, the court said, without elaborating.

Nasrallah was released and returned to Israel in December, where the Israel Security Agency (ISA or Shin Bet) detained him.

Several Arab Israelis have been convicted for attempts to join Syrian rebels.

Defense Minister Moshe Ya’alon recently said that others had gone specifically to join ISIS, which holds swathes of territory in Syria and Iraq.

ISIS purportedly executed an Arab Israeli earlier this month who had gone to join the group, accusing him of being an Israeli spy.

An ISIS video appeared to show a child shooting that man, Mohammed Musallam, in the head.

Security authorities say they know of about 30 Arab Israelis who have made their way to Syria to fight for jihadist groups against Assad’s regime, but that only a few joined Islamic State.

It is illegal for Israeli citizens to travel to Syria.