Saudi newspapers commented editorially today on a number of topics shedding light on the visit of Yemeni president Ali Abdullah Saleh to the Kingdom of Saudi Arabia. Following are major headlines in this morning newspapers: - King Abdullah bin Abdulaziz and Yemeni President review bilateral relations and regional and international developments. - Yemeni President urges Saudi investors to invest in Yemen. - Kuwaiti Emir calls for ending political crises. - Six killed in clashes between Palestinian police and Hamas. - Israel rejects freezing of settlements. - Jewish settlers attack Palestinians. - Sri Lanka appeals for international assistance. --MORE