Turkey's foreign minister on Jan. 28 met with an UN official to discuss the killing last fall in Istanbul of a Saudi journalist.
A Saudi-led coalition launched several air strikes on the Houthi-held capital Sanaa, stoking tensions among Yemen's warring parties as the United Nations struggles to implement a peace deal reached last month.
A rebel drone hit Yemen's largest air base on Jan. 10, killing six loyalist soldiers during a military parade in an attack which raises questions over UN-led peace efforts.
Peace talks between the Yemeni government and rebels, aimed at ending four years of war that has pushed 14 million people to the brink of famine, were due to open Thursday in Sweden.
An Argentine judge reviewing a Human Rights Watch complaint against Saudi Arabia's Crown Prince Mohammed bin Salman asked the foreign ministry on Nov. 29 to seek information from Turkey, Yemen and the International Criminal Court.
Turkish humanitarian agencies on Nov. 22 launched a joint aid campaign for people in Yemen.