Laith Al Khaldi died after being shot in the chest on Friday during a demonstration over the burning death of a Palestinian toddler.
Ali Akbar Salehi says it's absolutely not the case that the government must bring before parliament any agreement it wants to sign with a foreign country.
The office of the region's president Massud Barzani said PKK rebels should move out of the region to prevent civilian casualties.
All 10 men were shot dead, the Observatory said.
UAE Foreign Minister issued a strong worded statement, urging the international community to pay serious attention to the need to demonstrate that Israel cannot avoid punishment for such crimes.
In June, at least 1,466 people were killed and 1,687 were wounded.
Bahah fled into exile with President Abed Rabbo Mansour Hadi when the rebels entered Aden.
Three senior rebel commanders were among 25 fighters killed, said the Britain-based monitor.