On Sunday, Ali Sistani, the highest Shiite religious authority in Iraq, urged the Iranian people to remain united and not allow adversaries to achieve their objectives following the reported death of Iranian Supreme Leader Ali Khamenei. In a statement, Sistani acknowledged Khamenei's significant role in leading Iran for many years, indicating that his death could be seen as a moment of vulnerability for the nation. The call for unity was framed as a necessary response to external threats aiming to destabilize Iran.

Sistani emphasized the dangers inherent in the current geopolitical climate, asserting that the enemies of Iran might exploit the leadership transition for their own advantage. He articulated a strong message of solidarity, urging the Iranian population to align and defend their nation's integrity against those seeking to undermine it. The statement reflected not only Sistani's influence within Shiite communities but also showcased a broader call for resilience amidst adversity.

Moqtada al-Sadr, a prominent Iraqi Shiite leader, also joined in mourning Khamenei's death by declaring three days of national mourning in Iraq. This response points to the interconnectedness of Shiite communities across Iran and Iraq, highlighting the emotional and ideological ties that exist. The collective mourning signifies a shared interpretation of loss, positioning Khamenei as a pivotal figure for both nations despite their distinct national contexts.