At least that's what the L.A. Times is reporting:
Throughout Iraq, passions aroused by Wednesday's bombing of an important Shiite Muslim shrine in Samarra and reprisals against Sunni Muslim clerics and houses of worship appeared to have subsided considerably. Curfews and a ban on vehicle traffic were lifted in several mixed Sunni-Shiite provinces but continued in the capital, where children took over empty streets to play soccer.
If the Times prints any good news at all from Iraq, one tends to think the news must be true.
Apparently four of the 10 suspects arrested are guards at the shrine. They're probably Shi'ite Muslims who had placed in a position of great trust, and were bribed or otherwise persuaded to assist with the bombing. If they are guilty of complicity in the outrage, I think they face an unpleasant future indeed.