The marriage of convenience between Iraqi Kurdistan's political dynasties is on the rocks.
While the dominant Barzani and Talabani clans have long been at loggerheads over power and resources in a region rich in oil and gas, power-sharing governments have largely kept a lid on mistrust since the two sides fought a civil war in the 1990s.
But the lingering acrimony has spilled into the open with a vengeance since a rare assassination in the city of Erbil, and the fallout is putting the uneasy alliance through one of its stiffest tests since the war, diplomats and analysts say.