Iranian military operations in the border-region affect Kurdish civilians, threatening to destabilise living conditions in Northern Iraq. 

Below are extracts from an article written by Michael Howard for Guardian Unlimited:

Iraqi Kurdish officials expressed deepening concern yesterday [19 August 2007] at an upsurge in fierce clashes between Kurdish guerrillas and Iranian forces in the remote border area of north-east Iraq, where Tehran has recently deployed thousands of Revolutionary Guards.

Jabar Yawar, a deputy minister in the Kurdistan regional government, said four days of intermittent shelling by Iranian forces had hit mountain villages high up on the Iraqi side of the border, wounding two women, destroying livestock and property, and displacing about 1,000 people from their homes. Mr Yawer said there had also been intense fighting on the Iraqi border between Iranian forces and guerrillas of the Kurdistan Free Life Party (PJAK), an armed Iranian Kurdish group that is stepping up its campaign for Kurdish rights against the theocratic regime in Tehran.

[…] 

"If this escalates it could pose a real threat to the Kurdistan region, which is Iraq's most stable area," said Mr Yawar, who said he expected the Iraqi government and US officials in Iraq to make a formal protest to Tehran about the "blatant violation of Iraqi sovereignty".

[…]