A further attack may be "imminent" and armed soldiers will be deployed on the streets.
James Nickerson meets Alan Sked, the man who created Ukip.
Shadow chancellor rules out tax rise after Miliband's refusal to do so at PMQs.
Venezuela has gone from the Left's great hope to a scene of despair. We must speak out, or be discredited.
Post-politics: what has killed our democracy, and can we bring it back to life?
The Labour leader was caught unawares by the PM's promise not to increase the tax.
Following the comedian and campaigner's complimentary remarks, the Greens open the door to an official endorsement.
Alex Salmond's interview with our editor, Jason Cowley, has provoked a storm online. Here are the best bits that didn't make the final cut.
Whether you love or hate PMQs, it does give us a chance to see MPs in action - for better or worse. Watch our supercut of the best moments from the past five years below.
Lisa Nandy's speech on the Left, patriotism and solidarity.
New research shows that Miliband's approach to constitutional reform is more popular than the right-wing press would have you believe. He must be louder about it.
What does Trump want and should we be worried?
Join our panel of experts to find out!