The Islamic State group beheads two women in Syria on accusations of "sorcery," the first such executions of female civilians in Syria, the Syrian Observatory for Human Rights.

A senior US commander in Afghanistan says that fighters allied with Islamic State are in contact with militants' Syrian headquarters.

The Islamic State group claims an attack on two Houthi rebel leaders in Sanaa on Monday night that medics said had killed at least 28 people, including eight women.

The UN's cultural agency says destruction of antiquities and heritage sites in conflict zones by Islamic State and other extremist groups could amount to war crimes.

Islamic State claims responsibility for a massacre in a Tunisian seaside resort that killed nearly 40 people, most of them British tourists, in the worst attack in the country's recent history.

Islamic State (IS) militants kills more than 120 civilians since launching a fresh attack on the Syrian border town of Kobane, activists say.

Twelve people are killed and 70 wounded in a car bomb blast and attacks by Islamic State militants in the Syrian Kurdish town of Kobani, hospital officials in the town tell Reuters by telephone.

A global survey of 40 countries finds that large numbers of people have a favourable opinion of the United States, its economy and the US-led fight against the Islamic State.

US says an air strike in Iraq has killed an Islamic State (IS) militant linked to an attack on a US diplomatic compound in Libya 3 years ago.

A Europe-wide police team is being formed to track and block social media accounts linked to Islamic State (IS).

Tweets and YouTube videos by fighters from the Islamic State group have allowed analysts to pinpoint their movements in Iraq and Syria, highlighting the group's increasing push towards government strongholds.

The Taliban warns the leader of the Islamic State group against waging a parallel insurgency in Afghanistan, after a string of defections and reported clashes with militants loyal to IS.

Reports from Yemen say that the leader of al-Qaeda in the Arabian Peninsula, Nasser al-Wuhayshi, has been killed in a US drone strike.

The US spends more than $9m (£5.7m) a day on the war against Islamic State, and has poured $2.7bn (£1.7bn) into the bombing campaign since the start.

Australian PM Tony Abbott urges Asia Pacific nations to fight jihadist groups, saying Islamic State (IS) has global ambitions.

Teenage girls abducted by Islamic State fighters in Iraq and Syria are being sold in slave markets "for as little as a pack of cigarettes," the UN envoy on sexual violence said Monday.

Islamic State militants in Libya claims to have seized the airport in the coastal city of Sirte

Islamic State claims responsibility for a bombing that killed four people at a Shi'ite Muslim mosque in eastern Saudi Arabia on Friday.

Not long after staging a cartoon contest satirizing the Holocaust, a group in Iran launched another event — this time, aimed at the Islamic State extremist group.

Australia plans to pass a law within weeks to give the government power to strip citizenship from dual nationals who are suspected terrorists even if they are not convicted of a crime, the prime minister says.