The development also comes at a time when the White House and Trump's legal team are readying for the next phase of the process after nearly a month waiting for House Speaker Nancy Pelosi to transmit the articles of impeachment.

The four freshmen representatives have been targeted by Trump in a scathing Twitter tirade which started on Sunday. He had asked the leaders to got back to the "broken, crime-infested countries" they came from -- a claim which is being seen as a direct attack on Omar who was born in Somalia

The prime minister's office stated that Netanyahu will discuss with Trump "the Iranian aggression, Iran's efforts to entrench militarily in Syria, how to prevent Iran from attaining nuclear weapons, and the tightening of cooperation on security and intelligence matters."

US Congress established the White House Office of Science and Technology Policy in 1976 to offer advice on the scientific, engineering, and technological aspects of the economy, national security, homeland security, health, foreign relations, the environment and the technological recovery and use of resources, among other topics.