US Congress hawks have reacted threateningly to the extension of negotiations over Iran's nuclear program.

Supreme Leader received a group of Sunni participants in "The World Congress on Extremist and Takfiri Movements in the Islamic Scholars’

A senior Iranian nuclear negotiator has expressed optimism that Iran and the P5+1 could reach a comprehensive agreement on the Islamic Republic’s nuclear program in a “very short period of time.”

Grand Ayatollah Nasser Makarem Shirazi receives with a group of Sunni participants in "The World Congress on Extremist and Takfiri Movements in the Islamic Scholars’ View"

Supreme Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei received participants of the World Congress on Extremist and Takfiri Movements in the Islamic Scholars’ View on Tuesday.

The only factor needed to achieve a final nuclear agreement was more time in Vienna, said Russia’s President Vladimir Putin in a phone talk with President Hassan Rouhani on Monday evening.

Iranian President's Special Aide Hossein Fereydoun dismissed the news reports on his recent visit to Vienna to convey a message to the Iranian negotiators from President Hassan Rouhani.

Takfiri groups are seeking to tarnish the image of Islam, a senior Iranian cleric says at an international conference on the threats of Takfiri movements.

Iranian Foreign Minister Mohammad Javad Zarif says Iran has the right to have an enrichment program under any deal with the P5+1 group.

Iran and the P5+1 group of world powers could reach a “general agreement” on the Islamic Republic’s nuclear energy program in a matter of days if there is enough political will, a top Iranian nuclear negotiator says.

Ayatollah Makarem said: "Daesh is neither a “state” nor “Islamic”. But the enemies of Islam repeatedly use it to introduce Islam wrongly."

Ayatollah Moayadi-Qomi has spoken about the “World Congress on Extremist and Takfiri Movements in the View of Islamic Scholars” which is currently being held in Qom and the threat of Takfirism to the Islamic world.

Iranian Justice Minister Mostafa Pourmohammadi voiced satisfaction in his meeting with Chairman of the Supreme Judiciary Council (SJC) of Qatar Masoud bin Mohammed Al-Amri on Monday, and said that the two sides have concluded several judicial agreements.

"The Islamic Ummah has valuable goals and they (Takfiris) want to weaken the unity and strength in Muslims," said chairman of the political council.

The International Congress on Extremist and Takfiri Movements in the Islamic Scholars’ View closed and released its final statement.

The International Congress on Extremist and Takfiri Movements in the Islamic Scholars’ View closed its works in the presence of Prominent Muslim scholars from 83 countries.