Turkish jets have struck suspected Kurdish rebel targets in two separate cross-border raids in northern Iraq, a Turkish news agency reported Monday.

Turkey has frequently struck targets of the Kurdish region of Iraq -seeking Kurdistan Workers’ Party, or PKK.But with relations between Turkey and Iraq deteriorating, Baghdad recently warned Turkey against military operations on its territory.

Iraqi government spokesman Ali al-Dabbagh said Monday the Turkish airstrikes were a violation of Iraq’s sovereignty.

“Turkey should respect the principles of good neighborhood,” he said in Baghdad. “These Turkish attacks on Iraqi territories are not acceptable and we will take the necessary diplomatic measures