Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei says "incompetent" Saudi rulers believe in the Qur'an only in appearance but act in contravention of its teachings.
President Hassan Rouhani says sectarianism is among the main blights undermining security in the Middle East, stressing the importance of adopting measures to promote peace in the Muslim world.
A flotilla of Iranian warships will set sail for the Indian Ocean next month in a bid to ensure security for the country's cargo ships in the high seas.
The presidents of Iran and Russia have discussed the implementation of the landmark 2015 nuclear agreement between the Islamic Republic and the P5+1 group of countries as well as the latest developments in the Middle East.
Violent protests have erupted in Indian-controlled Kashmir after Indian troops allegedly killed a top leader of the pro-independence Hizb-ul-Mujahideen group.