Hollande says ISIS are behind 'act of war' claiming 127 lives: Fans flee concert and drag away the dead as gunmen blow themselves up then terrorist opens fire in restaurant and bombers hit stadium<br /> At least 127 people killed and dozens wounded in a series of co-ordinated terror attacks in heart of Paris last nigh Up to 100 were massacred in the Bataclan concert hall after suicide bombers took hostage then blew themselves up<br /> Chilling footage shows concert-goers dragging blood-soaked friends from scene and woman hanging from window <br /> French President Francois Hollande declared a state of emergency for whole country and reinstates border checks<br /> He has vowed to 'mercilessly' strike back after blaming ISIS and has declared three days of national mourning<br /> The terrorists shouted 'Allah Akbar' and 'this is for Syria' as they burst in and opened fire, eyewitnesses have said <br />France was in a nationwide state of emergency today after at least 127 people were killed in a series of coordinated terror attacks in the heart of Paris that have paralysed the country.<br />Armed with AK47 machine guns and shouting 'Allahu Akbar', four of the group marched into a rock concert at the Bataclan theatre, massacring up to 100 people and taking dozens hostage. <br />Video footage emerged of the stampede into a street behind the theatre shows concert-goers leaving a trail of blood as they drag their dying friends from the scene.<br />One woman clung desperately to the window ledge of the second floor as she tried to hide from the terrorists. <br />Meanwhile, bodies lie by the entrance – all apparently dead, before one moves and attempts to stand. Bleeding heavily, and unable to lift themselves, the camera captures the moment they try to use their phone – possibly to call for help.<br />The video was taken by Le Monde journalist Daniel Psenny from his flat in a building opposite. He was later injured himself, shot in the arm through his window. <br />Another 11 people were gunned down at a Cambodian resta
