At least 60 Iraqis died Tuesday in sectarian violence, including 23 killed in a bomb attack outside a Shi'ite mosque in Baghdad.
Iraqi police say 40 others were wounded in the mosque attack.
At least 28 Iraqis were killed in other bomb blasts in the capital. To the north, nine bullet-riddled bodies were found near Baquba. In Saddam Hussein's home town of Tikrit, a bomb damaged the mosque built over the grave of his father.
Two British soldiers were also killed in Amara, south of Baghdad.
The Iraqi government says 379 people have died in sectarian violence since last Wednesday's bomb attack on a major Shi'ite shrine in Samarra. But The Washington Post reports that according to Baghdad's main morgue, more than 1,300 people were killed.
President Bush says Iraqi leaders are working to overcome the violence and that the Iraqi people must now choose between chaos and unity.
As of Monday, the Washington Post said, hundreds of bodies were still unclaimed at the morgue, which it said was filled with "blood-caked [bodies of] men who had been shot, knifed, garroted or apparently suffocated by the plastic bags still over their heads."
Although efforts to form a new government have now been delayed, some Sunni politicians are indicating talks could resume if Sunni mosques allegedly seized by Shi'ite militants are returned to them.
Some information for this report was provided by AFP, AP and Reuters.