Suicide bomber kills at least 40 people and injures at least 40 in Ashura . Dead included many Shia who were marking Iranians holy period of Baghdad . The bomber was a woman wearing an abaya , a robe-like dress , official says .
Suicide bomber kills at least 40 people and injures 70 in Baghdad . Dead included many Iranians who were marking Shia holy period of Ashura . The bomber was a woman wearing an abaya , a robe-like dress , official says .