Iraqi security forces ended an attack by the Islamic State group in Kirkuk city, killing at least 74 jihadists in three days of clashes, the provincial governor says.

A British man is sentenced to at least 24 years in prison for the murder of a Muslim cleric of Bangladeshi origin who practiced a form of faith healing condemned by the Islamic State group.

Islamic State group spokesman Abu Mohamed al-Adnani who was killed yesterday, played a major role in the group during some of the most high-profile attacks including Dhaka café attack, a US defence official says.

One of the jihadists who murdered an elderly French priest smiled as he carried out the attack, and nuns who witnessed the grisly murder said the killers spoke about the Quran.

Islamic State (IS) is losing territory, its finances are being drained and the number of foreign fighters recruited has reportedly down to a trickle, dropped by as much as 90 percent from a high of 2,000 a month in the past year.

President Barack Obama tells a nuclear summit in the US that the threat of a nuclear terrorist attack persists and the world must be resolute in foiling it. More than 50 nations were represented at the summit.

Malaysian authorities say 15 people suspected of planning attacks on the country have been arrested.

10 alleged members of Islamic State (IS) including a Bangladeshi are killed in coalition force’s air strikes in Syria and Iraq in last one month, according to a list prepared by the US military.

The killing of minorities by so-called Islamic State should be recognised as genocide, more than 60 parliamentarians say in a letter to the UK PM.

Nato has ruled out sending ground troops to fight against Islamic State militants in Syria, Nato General Secretary Jens Stoltenberg told a Swiss newspaper, stressing the need to bolster local forces in the conflict.

An air strike believed to have been carried out by the US-led coalition killed four Syrian military personnel in Deir al Zor province, which is mostly held by Islamic State, a monitoring group says, in what would be the first time coalition warplanes had hit Syrian government forces.

Thai police say they were warned by Moscow that 10 Syrians working for the so-called Islamic State (IS) entered Thailand in October to target Russians.

French police are examining what appears to be a suicide bomb belt dumped on a Paris street, 10 days after the attacks that killed 130 people.

The so-called Islamic State (IS) group is weak and Australia has no plans to send combat troops to fight it, Prime Minister Malcolm Turnbull says.

Belgium raises alert status for its capital Brussels to the highest level on Saturday, shutting the metro and warning the public to avoid crowds because of a "serious and imminent" threat of an attack.

The UN Security Council has unanimously adopted a resolution to "redouble" action against Islamic State, following last week's deadly attacks in Paris. The French-drafted document urges UN members to "take all necessary measures" in the fight against IS.

The Islamic State releases a new propaganda video threatening attacks on New York City, city officials confirm today.

Despite ISIS's claims of ruling over an Islamic "caliphate" in line with Sharia law, a large number of the group's fighters joined for reasons having little to do with religion, according to a defector from the group.

The Islamic State group has released a photo of the bomb it says was used to bring down a Russian passenger plane in Egypt's Sinai Peninsula last month, killing all 224 people on board.

The Islamic State jihadist group executes three people in Syria's ancient city of Palmyra by binding them to three historic columns and blowing them up, a monitoring group said.