'The involvement of Arab states in such unjust US scheme will be tantamount to a crime and a conspiracy against the rights of the Palestinian people,' Saeed said.

The Muslim Brotherhood leader also criticised the 'silence' of the Jordanian government over the Israeli authorities' permission for about 200 Jewish extremists to enter al-Aqsa Mosque Wednesday to perform prayers and other rituals.

Under the peace treaty concluded in 1994, Israel acknowledged Jordan's right to look after the Islamic and Christian shrines in East Jerusalem, which the Jewish state captured from the Hashemite Kingdom in the 1967 Middle East war.