A destroyed building in Mogadishu, Somalia.  Photograph: AP Photo/ Farah Abdi Warsameh

The US military has escalated a battle against al-Shabab, an extremist group affiliated with al-Qaida, in Somalia even as president Donald Trump seeks(...)

US president Donald Trump said he would speak to the nation about the “humanitarian and national security crisis” on the southern border on Tuesday at 9pm. Photograph: Sarah Silbiger/New York Times

US president Donald Trump will deliver a prime-time television address on Tuesday evening on the issue of border security as the impasse over funding (...)

President-elect Donald Trump following his meeting with Mitt Romney at the weekend. Photograph: Carolyn Kaster/AP

President-elect Donald Trump, working to fill administration positions ahead of his inauguration on January 20th, was scheduled to hold talks in New (...)

 In this handout provided by the Fort Worth Police Department, Aaron Alexis poses for a mug shot after being arrested on September 4, 2010 for discharging a firearm inside city limits.

The US Navy today ordered a review of security at all of its facilities as questions arose about how a former serviceman with a history of violence an(...)