Israel's right-wing government has maintained a diplomatic silence this week as U.S. President Donald Trump fired off a blizzard of announcements that have shaken Israeli assumptions about their country's standing with its most important ally.

A previous arms deal agreed during Trump’s first term in 2017 between Saudi Arabia and the also promised a big headline figure. At the time, the White House Press Secretary Sean Spicer said the deal included "an immediate $110 billion investment" which would "grow to $350 billion over the next 10 years".

President Donald Trump arrived in Riyadh on Tuesday to a royal-purple-carpet rollout and a motorcade ride ensconced by a calvary of Arabian horses – a daylong kickoff to the first major international trip of his second term.

U.S. President Donald Trump met with Syria's president in Saudi Arabia on Wednesday and urged him to normalise ties with longtime foe Israel, after a surprise U.S. announcement that it would lift all sanctions on the Islamist-led government.

A senior Hamas official tells Newsweek that the Palestinian militant group saw "positive" potential in signs of a growing rift between President Donald Trump and Israeli Prime Minister Benjamin Netanyahu, after offering the U.S. leader a political win in the form of an American hostage release ahead of his Middle East trip.

President Trump announced the change in US policy during his speech at a Saudi investment forum, kicking off the first major international trip of his second term.

Israeli American advocates and the family of a freed Israeli hostage are sounding the alarm over President Donald Trump’s willingness to accept a “free” luxury jet from Qatar, pointing to the country’s close relationship with Iran and its long-standing support for Hamas leaders.

By Samia Nakhoul, Humeyra Pamuk and Alexander Cornwell WASHINGTON/DUBAI (Reuters) - When U.S. President Donald Trump lands in Riyadh on Tuesday, he will be greeted with opulent ceremonies, gilded palaces and the prospect of $1 trillion in investments.