He also faces mounting difficulties at home, where he is struggling to contain a scandal after firing James Comey as FBI director two weeks ago, and a widening investigation into his administration's connections to Russian Federation. Trump both met Netanyahu and Palestinian Authority President Mahmoud Abbas.
Trump's remarks, al-Shamali added, were blindly throwing U.S. support behind the interests of Israeli occupation, "which is the true source of terrorism and violence in the region and in the world", he said. Trump has handed son-in-law Jared Kushner as well as longtime business lawyer Jason Greenblatt the assignment of charting the course toward a peace process.
Protests were held in cities across the West Bank and in Gaza City yesterday against Mr Trump's visit to the region.
"The root of the matter is the stubborn, violent refusal of the Palestinian side to accept the Jewish state - and the capital of the Jews - in any borders", he said.
At the same time, Abbas and the Palestinians have been pleasantly surprised by Trump.
Yet some Israeli officials are less certain of Trump.
The march - in which primarily religious teenagers march through the Old City decked in white and blue, the colors of the Israeli flag - has raised tensions over its route through the Old City's Muslim Quarter.More news: 3 men arrested in Manchester bombing case
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"This city, like no other place in the world, reveals the longing of the human heart - to know and worship God", said Trump.
Given the pressure his young presidency is under in Washington, analysts have praised famously off-the-cuff Trump's careful sticking to script so far on his maiden overseas tour. The trip was made not only in a bid to gain help in defeating terror group Islamic State (IS), but also to contain what Trump believes is a threat from Iran, the experts said.
The 50th anniversary of Israel's capture of territories that Palestinians seek for a state is next month.
Al-Hindi said that "Trump's visit to Saudi Arabia and his description of the resistance as terrorism, in front of all of the Arab and Islamic world leaders, is a reflection of the ongoing deterioration in the region", referring to a growing alliance between heads of state in the region, the United States, and Israel at the expense of the Palestinian cause.
One of the long-standing regional proposals is a Saudi peace initiative that was first put forward in 2002 and has been re-endorsed several times since.
The holiest site in Judaism and the third-holiest in Islam, it is central to the Israeli-Palestinian conflict and was taken from Jordan in the 1967 war.
Member of the Islamic Jihad's politburo Muhammad al-Hindi said that "Palestinian resistance factions are holding on to Palestinian rights stronger than ever, despite all the conspiracies being planned against the Palestinian cause".