On July the 7th, 2005, four bombs changed Britain forever.

I see him put his hand in the bag and then there was a brilliantly white, bright flash.

I'm Dominic Hashani. After two decades reporting on terrorism, I'm exploring how 7-7 and the attacks since changed lives,

tested leaders and reshaped the threat we face.

It's not that it woke us up to the nature of the threat, but I think it woke us up to the fact

that obviously what we had in place was not adequate.

The State of Terror. Listen on BBC Sounds.

BBC Sounds, music, radio, podcasts.

You're listening to Wednesday's episode of The Archers from BBC Radio 4.

Music You could have worked it out for yourself, Akram. Say yes to Linda.

I was trying to help. And the jobs will pile up. So here we are. First task, and you're asking me to help.

Only slightly. You volunteered. You do the work.

Please. It's a meeting. That's all. You just have to sit there and take notes. It's simple.

Then you do it. I can't. A plumbing jobs just come in.

Then I'll do the plumbing. You take the notes. Be serious. You have to choose, Akram. Either you give up the meeting. I can't do that. Or you say no to the plumbing job. I can't do that either. It's an emergency. Oh yes. It is. Little old couple in Penny Hassett.

Oh, don't. Sitting in their armchairs, waiting for the water to leap over their slippers.

Look, rum, don't.

And all you'd have to do is scribble a few headline notes for me to type up later.

Happy all row?

No, Emma was telling me.

She said George was seeing the prison chaplain.

When? Yesterday. Not prison chaplain. When?

...