Police guard a house that was involved in pre-dawn raids in western Sydney on Thursday after intelligence “chatter”  revealed that militants planned to attack Australian politicians and government buildings. Photograph: David Gray/Reuters.

Australia’s government will seek broad new security powers to combat what it says is a rising threat from militant Islamists, the attorney general sai(...)

Demonstrators near Central Park during the People’s Climate March in New York yesterday. Photograph: Timothy Fadek/Bloomberg

Billed as “the biggest climate demonstration in history”, hundreds of thousands of people – activists, students, celebrities and even some environm(...)

Supporters of Afghan presidential candidate Ashraf Ghani dance on the street yesterday in Kabul after he was named president-elect. Photograph: Reuters/Omar Sobhani

Ashraf Ghani, a former World Bank economist, was officially declared the new president of Afghanistan yesterday, after three months of political dead(...)

The statue of Christ the Redeemer in Rio de Janeiro is lit up with a message announcing a global mobilisation over climate change – the People’s Climate march, a demonstration to raise awareness about climate change, was held yesterday around the world, in advance of the United Nations Climate Summit tomorrow. Photo: Reuters/Pilar Olivares

The last time so many world leaders gathered to talk about climate change, it was an unmitigated debacle: the 2009 Copenhagen summit – intended to (...)

Oscar and Arthur Kenevey, of Clarehall, Dublin, at the bandstand in St Stephens Green, Dublin for the People’s Climate Picnic today as world leaders including Taoiseach Enda Kenny prepare to meet in New York next week for a UN crisis summit on climate change. Photograph: Dara Mac Dónaill/The Irish Times

More than 600 people attended the People’s Climate Picnic in St Stephen’s Green today. It was the main event held in Ireland to mark a global protest (...)

 Turkish police use tear gas and water cannon today to disperse Kurdish protesters trying to cross the Turkey-Syria border at Suruc District, Sanliurfa city, to support Syrian Kurdish fighters (PYD) against Islamic State militants.  Photograph: Ulas Yunus Tosun/EPA

President Tayyip Erdogan has claimed no ransom was paid for the release of Turkish hostages held by Islamic State in Iraq and said it was the resu(...)

Turkish police use tear gas today to disperse Kurdish protesters trying to cross the Turkey-Syria border to support Syrian Kurdish fighters against Islamic State militants at Suruc District in Sanliurfa city, southeastern Turkey. Photograph: Ulas Yunus Tosun/EPA

Islamic State militants have today tightened their noose on a northern Syrian border town as the United Nations said the number of Syrian Kurds fleei(...)

US Secretary of State John Kerry testifies before the House Foreign Affairs Committee on “The ISIS Threat: Weighing the Obama Administration’s Response,” on Capitol Hill this week. Photograph: Allison Shelley/Getty Images

US Secretary of State John Kerry has said Iran has a role to play in a global coalition to tackle Islamic State militants who have seized swaths of Ir(...)

Left behind: Caroline Dwyer and her daughter Aisling in room 457 of Hotel las Americas, in Santa Cruz. Photograph: Julien Behal/Phoenix Films

They wore summer dresses and sandals, and you could at first glance have mistaken them for a mother and daughter off on a girls’ holiday together. But(...)

Minister for Defence Simon Coveney earlier this week  at a review of the 46th Infantry Group, who are due to be deployed with the United Nations Disengagement Observer Force in the Golan Heights. Photograph: Eric Luke / The Irish Times

Minister for Defence Simon Coveney said a statement expected from the United Nations should offer Ireland the necessary assurances to allow it continu(...)