The attacks happened despite all the fears because the Shias insisted on organising their own security rather than involving American troops or other members of the coalition. But with hundreds of thousands of people gathering at Shia shrines, security, except around Shia dignitaries, was effectively nonexistent. Already, though, there is a report that the office of Grand Ayatollah Sistani, the main Shia leader, has blamed the Americans for not providing security.