Terrorists acts

Huge explosion shaked center of holy city Karbala. It happend just between Mausoleum of imam Hussain and mosque of his brother Abbas. To both of those places are going shia moslims to pray there. Result? 50 killed, about 70 wounded. Local resources are speculating between two versions what happend. By one, there was parked car filled with explosives, second thinks it was suicidal bomber.