Baghdad, Nov 9, SPA -- At least four major explosions rockedcentral Baghdad Tuesday, as smoke rose above the fortifiedGreen Zone. The blasts hit at 12:30 p.m. (0930GMT), reverberatingthrough the capital. There was no immediate explanation forthe explosions. The U.S. military had no immediateresponse. U.S. helicopters were seen circling over the area. The Green Zone, which houses the U.S. and Iraqileadership, lies on the western bank of the Tigris River.--SPA1234 Local Time 0934 GMT www.spa.gov.sa/216270