The worst violence since 2008 hit Iraq in May, raising fears of sectarian strife as leaders meet for talks on disputes that have paralysed government.
A wave of attacks targeting both Iraq's security forces and civilians killed 35 people, in a second day of deadly violence.
Libyans prepared on Saturday to bury 11 imams killed in what Muammar Gaddafi's regime said was a Nato air strike.
Gaddafi declared in an audio message on Friday he was beyond the reach of Nato bombs after a government denial of claims he was wounded.
Nato bombed Gaddafi's compound on Thursday, killing six people, just a short while after his first appearance on TV in two weeks.
A Nato bombing blitz, which the alliance insisted was not aimed at Muammar Gaddafi, rocked Tripoli on Tuesday.
A Nato bombing blitz rocked the Libyan capital on Tuesday, as rebels in besieged Misrata claimed to be pushing back the Libyan strongman's forces.
Muammar Gaddafi's regime has reacted angrily to a decision by world powers to provide funding to Libya's rebels.
British and Italian diplomatic buildings were torched after Libya accused Nato of trying to assassinate Muammar Gaddafi.