shia compound where many gather on this important holiday and the photographer we spoke to describes how the explosion inside this crowded compound, bodies fanned out and were decimated. the death toll we re hearing could be in one to two dozen but given the scene where we heard from witnesses we are expecting it to rise in the coming hours. zain? nick paton walsh. i m zain verjee. world business today starts now. hello, i m andrew stevens in hong kong. and from cnn london, i m charles hodson. this is world business today and these are our top stories much there had a cautious mood on the markets after a downgrade warning in europe. a change of tact by china breathes new life into climate change talks. and a trickle of tourists return as thailand recovers from devastating floods. the timing could hardly have been worse. just as leaders of the euro-zone s biggest economies put on a united front standard & poor s threw a big spanner into the works and put 15 eur