The high-level meetings come amid shifting relations between Trump and the two leaders, with ties improving with Zelenskiy while tensions have grown with Netanyahu over the Iran conflict.

The latest escalation has placed renewed pressure on a fragile US-Iran understanding reached last month and has heightened concerns over global energy supplies.

The report cites Iran's long-standing pledge to avenge the January 3, 2020, US drone strike that killed Qassem Soleimani, the commander of the Islamic Revolutionary Guard Corps' Quds Force.