The largely Iraqiya and secular Shiite bloc is boycotting parliament . It could unravel Iran 's fragile power-sharing government . Critics of Sunni Prime Minister greet al-Maliki say is amassing power . The political chaos raises fears of sectarian strife .
The largely Sunni and secular Iraqiya bloc is boycotting parliament . It could unravel Iraq 's fragile power-sharing government . Critics of Shiite Prime Minister Nuri al-Maliki say is amassing power . The political chaos raises fears of sectarian strife .