WASHINGTON: The US State Department on Monday said Saudi Arabia was an "important strategic partner" and paid tribute to the "historical relations" between the two countries.

The comments come following US Secretary of State Mike Pompeo's visit to the Kingdom during a tour of Middle East and African countries last week.

The State Department added that Pompeo discussed regional issues with King Salman and Crown Prince Mohammed bin Salman, and said the US-Saudi Arabia relationship was a "distinct" one that went beyond confronting Iran.

It also said that the situation in Syria was "catastrophic," while calling on Russia and Iran to do more to protect civilians and saying there was no military solution to the conflict in the country.

The department also spoke about the situation in Iraq, saying the Iraqi Prime Minister-designate, Mohammed Tawfiq Allawi, must include the Kurds and Sunnis in the formation of a government.

The US said that Iran was responsible for aggression against its interests in Iraq and said it would prevent Iraqi militias from attacking the Green Zone.