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iranian state television says that the supreme leader ayatollah ali khamenei has pardoned a large number of prisoners linked to protests. the state broadcaster says that ayatollah khamenei was responding to a proposal by the head of the judiciary. iranian media outlets say that the letter from the judiciary chief said that a number of people, especially the young, had committed wrongful actions and crimes because of incitement and propaganda by the enemy. our middle east analyst sebastian usher gave us this update. this is a pardon that comes on the eve of the anniversary of the 1979...

what we don't know, obviously the numbers. we don't know when or how this will happen. we do know the way that it's written says it's an answer to an appeal, a letter from the head of the judiciary who essentially frames it as being many people who went out to protest, particularly the young, were misled, by foreign agents, propaganda from abroad, and that they now want forgiveness. and they're still described as riots, nothing more, nothing less. so, in terms of how the authorities frame this, obviously nothing has changed. also, it makes clear that people who are accused, who have ...

charges of corruption on earth or waging war against god. as you can see, these are quite ambiguous charges and people have been charged with these accusations for setting fire to bins in the street or merely protesting. so these are quite ambiguous charges. also one of the conditions is these people have to show remorse and also they have to provide a written promise that they will not participate in the protests or take similar actions again. the latest on the pardon in iran. press agencies report from ukraine that the country's war—time defence minister oleksii reznikov will be ...

And that's what the electric wallpaper does. the graphene material he is talking about is a one atom thick layer of carbon that can conduct electricity. once installed, the paper is plastered over so you don't actually see it. in a well—insulated home, the system could replace these chunky things. councils and providers of social housing are currently running pilots of the technology. this is going to be good for our climate change action work, as well as helping individual residents have more control over their energy usage. you can heat up one room and leave the rest of the home with the h...

Are testing as they look for green and cost—effective alternatives. 0ur reporter dougal shaw has been finding out more. if you want to step into a 1970s time warp, come to 0ctopus energy's research centre in slough. engineers train here to retrofit the latest green tech like heat pumps into specially built, old—fashioned homes. they also test out promising new tech here, like this electric infrared wallpaper developed by british firm next gen. the electric wallpaper is a really good way of heating your home. it has a graphene layer and that actually, when it's powered, emits infrared. infr...