"Terrorism is sponsored through groups like Hizbollah, by Iran, but there are also Sunni Islamic terrorist groups that the Iranians are fighting, not least Islamic State in Syria".
Iran accused the USA yesterday of spreading "Iranophobia" to encourage Arab states to purchase arms, state TV reported. "This is a battle between good and evil", the US President added.
"Drive them out of your places of worship, drive them out of your communities, drive them out of your holy land and drive them out of this earth".
Trump used his visit to Riyadh to bolster United States ties with Arab and Islamic nations, announce $US110 billion in USA arms sales to Saudi Arabia, sending Iran a tough message.
"I think that would be a awful abdication of our global leadership when it comes to advocating for people who are the subject of persecution, or imprisoned, or journalists that are thrown in jail, or people not allowed to practice their faith", Rep. Adam Schiff, D-Calif., said on CNN.
The Iranian minister maintained that Donald Trump should stop making baseless allegations of terrorism against other countries.
Meanwhile, both the arch rivals of the region have recently engaged in a war of words while accusing each other of subverting security across the Middle East, funding fundamentalist organizations, and seeking regional dominance.
The United States and Gulf Arab countries will sign an agreement on Sunday to coordinate their efforts against the financing of terrorist groups.
It was closely watched given the anti-Muslim comments by Trump during his presidential campaign and his attempt after his inauguration to institute a temporary USA entry ban on nationals and refugees from several Muslim-majority countries, although not including Saudi Arabia.
On Sunday, Israel authorised some economic concessions to the Palestinians that a Cabinet statement said "will ease daily civilian life in the Palestinian Authority after (Trump) who arrives tomorrow, asked to see some confidence building steps".