Tehran, April 7 (IANS): Iranian Foreign Minister Mohammad Javad Zarf will tour Pakistan and Oman to convey Iran's deep concern about the humanitarian plight in Yemen due to the Saudi-led air raids, foreign ministry spokesperson Marzieh Afkham said on Tuesday.

The Saudi Air Force perpetrated crimes against humanity and war crimes in war-torn Yemen by indiscriminate bombardment of civilian targets killing scores, state run news agency IRNA reported.

Afkham said the foreign minister on Wednesday morning would leave Tehran for Muscat to exchange views with Omani officials about the humanitarian plight in Yemen and the regional developments.

She said that Zarif's visit to Pakistan has been in the foreign ministry agenda for a month and after Muscat, he will leave for Islamabad on Wednesday afternoon.

The visit will be in the framework of strengthening bilateral relations, surveying the regional and international developments, and boosting Iran-Pakistan border security, Afkham added.