Watchtower: A UN peacekeeper on an observation tower on the Golan Heights. Photograph: Jack Guez/AFP/Getty

Undof is the United Nations Disengagement Observer Force. Since September 2013 Ireland’s Defence Forces have provided Undof with a quick-reaction f(...)

An al Nusra front fighter carries his brigade’s flag in Idlib city, after they took control of the area in March. Photograph: Ammar Abdallah/Reuters

A Columbus, Ohio, man who trained with Islamic militants in Syria has been arrested and charged with supporting terrorism and making false statements.(...)

A perilous escalation

Yemen’s civil war is becoming a humanitarian catastrophe, a playing field for regional rivalries and a spoiler in the geopolitical detente between the(...)

Women carry banners during a protest against Saudi-led air strikes on Yemen, in front of the offices of the United Nations headquarters in Beirut April 9th, 2015. Photograph: Aziz Taher/Reuters

Sunni Saudis and their partners contend the air offensive in Yemen is meant to halt Shia Iran’s drive to expand its regional influence by backing Yem(...)

A member of the Afghan security forces carries a woman away  from the site of an attack on a court in Mazar-i-Sharif, April 9th, 2015. Militants armed with rocket-propelled grenades and other weapons stormed the court in the northern Afghanistan  city, killing the district police chief and two other officers, authorities said. Photograph: Anil Usyan/Reuters

Militants armed with rocket-propelled grenades and other weapons stormed a court in Afghanistan’s northern city of Mazar-i-Sharif on Thursday and kill(...)

 South Yemenis stand on a tank used by militiamen loyal to the Saudi-backed Yemeni president, Abed Rabbo Mansour Hadi, following clashes with Houthi fighters in the  port city of Aden on Wednesday. Photograph: EPA

As the US expedited arms deliveries to the Saudi-led coalition, the UN warned the situation in Yemen could become “catastrophic”. Trond Jensen, head o(...)

A Yemeni fighter of the separatist Southern Movement, loyal to the government forces, in Aden’s northern district of Dar Saad on Tuesday. Photograph: AFP/Getty Images

The United States is accelerating arms supplies and bolstering intelligence sharing with a Saudi-led alliance bombing a militia aligned with Iran in n(...)

Ethiopian troops escort a convoy of trucks carrying food aid in Baidoa, Somalia, on June 10th, 2014. Despite a broad international military campaign to dislodge the Shabab from its strongholds in Somalia, the group has adapted, evolved and remains deadly. Photograph: Daniel Berehulak/The New York Times

They have lost their leader, their ports, their checkpoints and their territory. They have lost thousands of men and much of their money. They do not (...)

Beyond inhumanity

Syria’s civil war has produced so many horrors and atrocities over the past four years that each new outrage struggles to gain the attention of a crue(...)

A month after defence lawyers bluntly admitted Dzhokhar Tsarnaev’s role in the bombing and the four chaotic days that followed it, each side’s focus will be less on guilt than on the question of whether Mr Tsarnaev will die for his crimes. Photograph: US Attorney’s Office in Boston/Handout via Reuters

Accused Boston Marathon bomber Dzhokhar Tsarnaev “wanted to punish America” when he killed three people and injured 264 with a pair of homemade bombs (...)