Evidence emerged in 2014 that the IS' success in the battlefield had a lot to do with the disenfranchised Ba'ath party members of Iraq.

Islamic State in a video threatens to attack Washington warning that the countries taking part in air strikes against Syria would suffer same fate as France.

French warplanes pounds the Islamic State group's de facto capital in Syria on Sunday, in the first such strikes since a wave of coordinated attacks claimed by the jihadists left 129 people dead in Paris - signalling its resolve in fight against the group.

In the wake of deadly gun and bomb attacks in Paris, Home Minister Asaduzzaman Khan Kamal today said Bangladesh is now on high alert to tackle any possible terror attack.

Turkish soldiers killed four Islamic State fighters on Saturday after they came under fire from the militants along Turkey's Syria border, local media reported.

Paris attacks seem likely to compel President Obama to consider military escalation against IS in Iraq and Syria. But that probably will not mean dramatic moves like launching US or international ground offensive or accelerating aerial bombing in hopes of eliminating the global threat of violent extremism.

French police identify first of seven gunmen who killed at least 129 people in a wave of carnage claimed by Islamic State group, as international investigators stepped up their probes into Paris's worst ever attacks.

The Islamic State jihadist group claims gun and bomb attacks in Paris that left more than 128 people dead in a statement posted online.

France's President Francois Hollande says the attacks in Paris that killed at least 127 people and wounded more than 180 are an "act of war" organised by Islamic State.

IS claims responsibility for attack on police checkpost at Ashulia that left a constable dead, US-based SITE Intelligence Group says.

Home Minister Asaduzzaman Khan Kamal reiterates his claim that the current law and order situation in the country is satisfactory.

Egyptian President Abdul Fattah al-Sisi has described claims that militants linked to Islamic State (IS) brought down a Russian airliner as "propaganda".

The quick 'acknowledgment' of the killings by the IS, the method of which does not fit the IS footprint, raises doubts about the veracity of the post. However, let the IS issue not be a red herring.

The US-based SITE Intelligence Group stood by its reports on the Islamic State’s (IS) claims of the responsibility for the killings of two foreigners and bomb attacks on Shia headquarters in the country.

Islamic State militants have killed three captives in Syria's ancient city of Palmyra by tying them to columns and blowing them up, activists say.

The United States is working relentlessly with the Bangladesh government and other key partners to identify the true culprits of the foreigner killings here.

Police file a case under Anti-Terrorism Act in connection with the blasts at Hossaini Dalan in old part of Dhaka that left one killed and at least 87 injured.

At least 45 people have been killed in Russian air strikes on a rebel-held area of north-western Syria, a monitoring group says.

40 militants with the so-called Islamic State are killed in air strikes in Syria, a British-based monitoring group reports.

The US military has delivered more than 45 tonnes of ammunition to rebels fighting the jihadist group Islamic State (IS) in north-eastern Syria.