TEHRAN (IRNA)-- Supreme Leader of Islamic Revolution Ayatolla Seyed Ali Khamenei said here Monday that officials in Islamic states should set mutual cooperation as their main target and help attain the goal by adopting unified stances on many regional issues.

Ayatollah Khamenei told visiting Algerian President Abdelaziz Bouteflika that the most important problems facing the world of Islam are discord and rift.

Pointing to the "harmful" presence of the U.S. in the region and the issue of Palestine as the major problems facing the world of Islam and to the highly sensitive and grave conditions in Palestine, the Supreme Leader said that today, the Palestinian nation is in need of assistance and collaboration from other Islamic states.

The Supreme Leader said Muslim states should fulfill their responsibility and support the Palestinian people without fearing the U.S. threats.

Ayatollah Khamenei stressed that the Zionist regime`s defeat would result in failure of the U.S. arrogant policies in the region and this is something possible.

The Supreme Leader hoped for further expansion of relations and cooperation between Tehran and Algeria in light of the policies and endeavors of President Bouteflika.

Elsewhere in his remarks, the Supreme Leader hailed the Algerian nation for its brilliant record of struggles against foreigners.

The Algerian president for his part stressed the need for further expansion of relations and cooperation between his country and Iran and said good steps have been taken by his country in this connection.

He said that over recent years, Algeria has left behind critical conditions and a national reconciliation policy has been adopted in a bid to improve the economic, social and cultural conditions of the public and uplift the political status of the country.