Videos were published showing groups of Jewish citizens attempting to break into a police station and block roads leading to it on the island in protest against the arrest.
Stewart, along with two other members, Jocelyn Frazee and Sean Anderson, faced charges of unlawful assembly.
Israel Police arrest a protester who is suspected of harassing a border policewoman during a protest and riot in Jerusalem earlier in the week.
EDITOR'S NOTES: “The world needs to understand,” Dodik said, “there is no peaceful coexistence where one side is always expected to apologize. We tried that. It failed.”
Defying an internal arrest warrant, he crossed into neighboring Serbia earlier this week then traveled to Israel for an antisemitism conference in Jerusalem on Thursday.
The journalist arrested was reportedly Christian Meier, Frankfurter Allgemeine Zeitung (FAZ) correspondent for Israel and Palestine.
Karroubi's political ally, former Prime Minister Mirhossein Mousavi, would also be released from house arrest in the coming months.
He declared: 'I demand the immediate withdrawal of these specific exhibits from the National Gallery.'
After his release, Hashemi will be on probation for five years and must adhere to a mental health treatment plan, reporting to the court and a probation officer.
The government dismisses claims that the arrests are aimed at muzzling dissent and says the judiciary is independent.