Iran is concerned over the growth of extremism in region, especially in Islamic world, Iran's Majlis (parliament) Speaker Ali Larijani said on Friday, Press TV reported.

"Today, waves of sowing discord in Islamic countries have led to many problems and the killing of many Muslims," Larijani said, adding that the Islamic inter-parliamentary union can play a major role in addressing such woes and preventing rifts among Islamic nations.

Also, the Iranian speaker called for more solidarity among Muslim countries to tackle concerns in the Islamic world.

The Iranian speaker made the remarks in an address to the executive committee of the Parliamentary Union of the Organization of the Islamic Conference (OIC) Member States in capital Tehran on Friday.

The 9th meeting of the Parliamentary Union of the OIC Member States, which started here on Friday, is scheduled to continue until February 19.