Good afternoon. The foreign secretary lord cameron has demanded a full explanation from israel, after an air strike in gaza that left seven aid workers dead, some of them british. The charity they worked for says their convoy was hit by an israeli air strike just after theyd unloaded food aid at a warehouse in the city of deir al balah. The israeli Prime Minister hasjust described it as an unintentional strike. Israel says it is investigating. From jerusalem, our middle east correspondent Yolande Knell reports. There were no survivors. Cars and aid convoy were hit directly. Even with the World Central Kitchen logos clearly displayed, and, the us charity says, prior Co Ordination with the israeli military. Displaced gazans staying in tents nearby heard the blast and ran to try and help. Translation this is our situation. Anyone who distributes aid or brings it to gaza is exposed to shelling and death, whether it is an International Organisation or not. Distressed colleagues of the seven