defile the mosque of the seal of the Prophet,' one user said.
Another Twitter user said: 'The current hashtag: A Zionist at the Prophet's Mosque; the next hashtag: A Zionist on the pulpit of the Prophet's Mosque; and the following hashtag: A Zionist is the imam of the Mecca Mosque.' His posts have caused mass discussion on Twitter, with the hashtag 'A Zionist at the Prophet's Mosque' garnering more than 100,000 tweets.
#Salam and #Shalom.'In one photo, Tzion, carries a satchel adorned with Hebrew writing, which carries tefillin, or boxes of Torah scrolls that observant Jews wrap around their heads and arms when praying.
Only two Arab countries - Egypt and Jordan - have peace treaties with Israel.
The peace process has been deadlocked since April 2014 following the collapse of indirect negotiations led by then-US Secretary of State John Kerry.
Saudi Arabia maintains that any relations with Israel hinge on Israeli withdrawal from Arab lands occupied in the 1967 Middle East war.
Israel has been a source of tension in the Middle East since it was declared a modern state in 1948.
Saudi Arabia has ratcheted up pressure on arch-foe Iran, accusing Tehran of trying to expand its influence in Arab countries, often through proxies including the Lebanese Shi'ite Hezbollah group.
Increased tension between Tehran and Riyadh has fuelled speculation that shared interests may push Saudi Arabia and Israel to working together against what they see as a common Iranian threat.
He added: 'People know that I am different, they see that I wear a kippah or a different Arab garment. In Saudi Arabia, Israelis are banned from visiting the country, and any evidence of travel to and from the country will result in a refusal of entry.
In total, 16 countries - including Iran, Syria, Iraq and Saudi Arabia - do not accept Israeli passports.
The photos come after Israeli army's chief of staff told an Arabic language online newspaper that Israel was ready to share 'intelligence information' with Saudi Arabia, saying their countries had a common interest in standing up to Iran.
Lieutenant General Gadi Eizenkot told the privately Saudi-owned Elaph in what it said was his first interview with an Arabic newspaper that Israel had no plans to attack Lebanon's Hezbollah group.
Tzion is pictured above left at the Four Seasons Hotel in Riyadh last week The huge number of angry comments has caused Instagram to suspend Tzion's account, where he writes messages of peace and tolerance, more than once.