Today's terrorist attacks on London will not be the last, Respect's George Galloway warned the Commons today.

The anti-war campaigner condemned the "despicable act" but said the Iraq war and other actions had created a "whole army of people out there that want to harm us".

He accused MPs of living in a "consensual bubble" of denial and said unless action was taken, there would be repeats of today's atrocity in the capital.

"Our own security services warned the Government that we would be at greater risk from terrorist attacks like the one we have suffered this morning.

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"Our own Foreign Office, the experts we pay to know the Middle East better than the ministers in Downing Street told us ... that we would be placing ourselves in greater danger if we did this [invade Iraq].

"So there was nothing unpredictable about this attack this morning. Despicable, yes, but not unpredictable.

"Entirely predictable and, I predict, not the last either".

Mr Galloway was involved in a row with Tory Mike Penning (Hemel Hempstead) who asked if it was true he had earlier said Londoners "had this coming".

"That is a despicable smear," he retorted angrily.

"I have never uttered any such words. Do not attempt to put into my mouth words I have never spoken."

Mr Galloway went on: "I condemn the act that was committed this morning.

"I have no need to speculate about its authorship: I'm absolutely clear that Islamic extremists, inspired by the al Qaida world outlook, are responsible for this act.

"I condemn it utterly as a despicable act against working people on their way to their places of work without warning.

"Let there be no equivocation about that: the primary responsibility for the bloodshed this morning lies with those who carried out the acts.

"But it would be utterly crass to ... separate these acts from the political backdrop against which they took place.

"They did not come out of a clear blue sky, any more than those monstrous mosquitos that struck the twin towers and other buildings in the United States on 9/11/2001."

"Does this House believe that the hatred and bitterness engendered by the invasion and occupation of Iraq, by the daily destruction of Palestinian homes, by the construction of the great apartheid wall in Palestine, by the occupation of Afghanistan ... feeds the very terrorism of bin Laden and the other terrorists?

"Is that really such a controversial point? Isn't that obvious?".

Mr Galloway said in the aftermath of the 9/11 attacks he warned that handling the response wrongly would create 10,000 bin Ladens

"Does anyone doubt that 10,000 bin Ladens at least have been created by the events of the last two and a half years? If they do they have their heads in the sand.

"There are more people in the world today who hate us more intently than they did before as a result of the actions we have taken."

If the West wanted to reduce the terror threat it should be "trying to reduce the hatred in the world. That means trying to deal with the political crises in the world out of which these things have stemmed.

"Instead of that, if we persist in this consensual bubble in which we have placed ourselves we will go on making the same mistakes over and over again: we will go on with Guantanamo Bay, we will go on as we are doing making Abu Ghraib not smaller... but bigger, we will go on with occupation and war as the principle instrument of our foreign and defence policy.

"And if we do then some people will get through and hurt us as they have hurt us here today and if we still don't learn the lesson, that dismal melancholy cycle will continue."

Mr Galloway complained that there had been "not a whisper" in the Commons about Iraqis killed in the US assault on Fallujah in Iraq.

"So many Members of this Parliament find it so easy to feel such empathy with those killed in explosions by razor-sharp red-hot steel and splintering flying glass when they are in London but seem to be able to blank out of their mind entirely that a person killed in exactly the same way in Fallujah died exactly the same death.

"I have grown used to that. I know that for many in this building and in power in this country the blood of some people is worth more than the blood of others," he said.

The former Labour MP, who was expelled from the party over claims he incited Arabs to fight British troops in Iraq, dramatically defeated his old party in Bethnal Green and Bow.

He said at least one of this morning's explosions happened in his constituency and many of his constituents were caught up in the attacks.

Mr Galloway told MPs he spent four hours after the blasts with medical staff at a hospital in his constituency where victims were being treated.

He also said he had been with firefighters - and complained that their resources had been cut.

"Fire brigade staff in the very stations which have, in the last few weeks, had fire engines taken away from them as economy measures.

"Exactly the places where the fire services are now stretched almost to breaking point in dealing with the consequences of this morning's events," he added.

Mr Galloway's speech met with a stinging rebuke from Tory Julian Lewis as he wound up the debate.

He said he agreed with Mr Galloway to the extent that it made little difference to the victim whether they were killed "by a suicide bomber on a bus or by high explosive dropped from an aircraft".

But he stressed: "That is not to say, however, that the two activities are comparable. Certain methods of war are recognised as legal. Certain methods of killing people are widely recognised as totally unacceptable.

"No matter how volubly or with what degree of articulacy and no matter at what volume Mr Galloway, who I am sorry to see has not seen fit to come back to this Chamber now he has caught his headlines, may speak."

Mr Galloway returned to his seat shortly afterwards.

Mr Lewis continued: "Nevertheless he cannot conceal the basic difference between casualties that get caught up in conventional warfare and casualties that get caught up in acts of terrorism."

"I am sorry there is still a Member of this House who is willing to try and justify or empathise with people who behave illegally in fighting their cause no matter how strongly he happens to believe in the grievances they imagine they have.

"What is it that people of this sort really expect us to do?"

Mr Lewis predicted that only a small number of people would prove responsible for today's atrocities.

"I do not know if the people carrying out these atrocities have a real understanding of the resilience of democratic societies under such circumstances," he said.

In the dying moments of the debate, Mr Galloway was involved in a bitter spat with Armed Forces Minister Adam Ingram.

Mr Ingram accused the Respect MP of "dipping his poisonous tongue in a pool of blood," adding: "I think it is disgraceful."

Mr Galloway immediately hit back, on a point of order, saying: "That foul mouthed, deliberately timed last 10 seconds smear by the thug at the despatch box ... "

Deputy Speaker Sylvia Heal swiftly intervened, calling: "Order, could I remind all Honourable Members good temper and moderation are the hallmarks of language in this chamber.

"I would ask on this day of all occasions that we bear that in mind."

But Mr Galloway persisted, insisting that twice in the debate personal attacks which went "beyond the norm in parliamentary discourse" had been allowed against him.

He said the chair ought to have intervened. Mrs Heal pulled him up again, saying: "You are challenging my order in this chamber. I would ask you and all MPs to just think very carefully about their words on this particular day."