Yesterday, the results of the Chilcot Inquiry were revealed to the public - after years of delays.
You shared your views on the findings with us on social media.
Here are your comments.
Eunice Green: "If that was intelligence what did it say for the rest of them?"
Kevin Newman: "I have always voted Labour, but I think he should be jailed over this."
Eddie Goodwin: "The fight for justice now begins for the 179 brave men and women who gave their life fighting an illegal war they never asked to go on."
Stephen Kail: "We all backed him at the time!"
Alison Robson: "A sister whose brother was killed in Iraq has said Tony Blair is the 'world's biggest terrorist'. I think she has hit the nail on the head."
Mel Sly: "He is so culpable for the tragic sacrifice of our military heroes."
Jane Jones: "Disgraceful man who should be ashamed of what he did to us as a country."
Marcus Aurelius Morgan: "Relying on flawed intelligence with no concrete proof, deserves a jail term."
Bryan Seddon: "He should be charged with war crimes."