For so called reeducation rare footage of the uighur ethnic minorities held in secretive detention centres. Hello and welcome if you re watching in the uk or around the world 7 and stay with us for the latest news and analysis from here and across the globe. Im tim willcox. A massive explosion has torn through the lebanese capital beirut, killing at least 70 people and injuring more than 3700. Its not yet known what caused the explosion but lebanons Prime Minister says his country is facing a catastrophe and beirut is in mourning. Heres our middle east editor, jeremy bowen. Just to warn you his report contains distressing images. Explosion. It was a massive explosion. Shouting. Another view from the bay. And from the streets. What happened 7 oh, my god oh, my god. It looks as if dozens are dead and several thousand injured. And a country already deep in crisis has been hit by a catastrophe. Translation i dont know what happened. I was fishing. I heard there was a fire. I turned and sta