Ayatollah Abdul-Amir Qabalan said the airstrikes by the US in Iraq and Syria violated the two Arab countries’ sovereignty, elnashra website reported.
He added that the attacks were in response to the achievements of the Axis of Resistance in defeating the Zionist-Takfiri terrorism in Iraq, Syria, and Lebanon and Gaza.
Ayatollah Qabalan also expressed condolences to the Iraqi government and nation and families of those martyred in the attacks.
On Sunday, US forces conducted drone strikes on a number of Kata'ib Hezbollah bases in Iraq's western Anbar province, killing at least 25 individuals and leaving another 51 injured.
Kata'ib Hezbollah is part of the Hashd al-Shaabi.