Explosion rocks Somali national theater From Mohamed Amiin Adow, For CNN April 4, 2012 -- Updated 1023 GMT (1823 HKT) Witnesses report casualties, but it is not known how many The blast takes place during an anniversary celebration (CNN) -- An explosion rocked the newly-opened national theater in the Somali capital Wednesday while an event was under way, witnesses said. Witnesses reported casualties, but it was unclear how many. The explosion occurred during a celebration for the first anniversary of the Somali national TV in Mogadishu, according to witnesses. Chaos followed as screaming attendees fled the scene. No more information was immediately available.