Tunisian president Moncef Marzouki left tunis on Monday for Saudi Arabia where he will attends the 4th extraordinary islamic solidarity summit of the Organization of Islamic Cooperation (OIC) due to open there tomorrow, Tuesday and runs for two days. President Marzouki is taking part in the said summit according to an official invitation he has already received from King Abdullah bin Abdul Aziz Al-Saud, the Custodian of the Two Holy Mosques, who has called for holding the Islamic Solidarity Conference extraordinary meeting in Makkah on the 15th of this month to discuss the current dangers of discrimination and discord that the Islamic nation is facing with special emphasis on the deteriorating situation in syria , maintaining protection to the muslim minority in Myanmar , formerly known as Burma as wewll as the escalating attacks on the religious sanctities in Palestine.