Mauritania's Minister of Islamic Affairs and Original Education Ahmed Ould Ehil Daoud received here today Dr. Abdullah bin Mohammed Al-Samel, Undersecretary of the Saudi Ministry of Islamic Affairs, Call and Guidance, who is also head of the Saudi delegation to the 6th international conference entitled " Unity of Muslim Nation in combating Extremism and Hatred Speech". During the meeting, they discussed a number of issues of common interest, particularly the existing cooperation between the two ministries in various fields.