If Britain votes to leave the E.U. on June 23, analysts say, a powerfully emotional backlash against decades of immigration will be the primary driver.
President Obama received a frosty reception from Saudi Arabia, the UK and Germany on recent trips. 'Brexit' comments upset the UK; Saudis upset about Iran.
Edward Snowden told an audience of supporters that he is willing to be extradited to the U.S. if the federal government would guarantee him a fair trial.
Officials want the British MI5 to go to Facebook or Google with wiretap orders for online chats of UK suspects in a new counterterrorism investigation.
A new video from the Islamic State shows the Paris attackers committing atrocities prior to the French murders - also shows attackers threatening Britain.
By Glynn Cosker
Editor, In Homeland Security
Two London-based brothers became the first Britons convicted of attending a terrorist training camp in Syria.