South Korean President Lee Jae‑myung used X on Wednesday to mourn victims of a major earthquake in Kumamoto Prefecture, Japan [1, 2].

The gesture comes as both nations navigate complex diplomatic relations, making a public display of solidarity during a humanitarian crisis a significant diplomatic signal.

President Lee posted the message on the platform formerly known as Twitter on the evening of July 29, 2026 [1, 2]. In the post, he said he expressed deep sadness upon receiving reports that the earthquake had caused damage and casualties in the region [1, 2].

"I am heartbroken to hear reports that damage has occurred due to the great earthquake that occurred in Kumamoto Prefecture," Lee said [1].

The South Korean leader used the social media post to offer prayers for those who died in the disaster. "I pray for the repose of the victims," Lee said [1].

Beyond mourning the deceased, the president said he expressed hope for the swift recovery of those injured and the safe return of those currently missing [1, 2]. He said that the support of the South Korean people would remain a constant during the recovery process.

"The people of South Korea will always be close, with a heart of solidarity," Lee said [1].

The earthquake struck Kumamoto Prefecture, causing widespread disruption [1, 2]. President Lee's decision to use a public digital platform for his condolences ensures the message of solidarity is visible to both the Japanese public and the international community, highlighting a commitment to regional stability and mutual aid.

"I pray for the repose of the victims,"

This public expression of sympathy serves as a critical tool for 'disaster diplomacy,' where shared tragedy allows neighboring states to bypass political tensions. By pledging solidarity and mourning victims openly, South Korea aims to foster goodwill and maintain a cooperative relationship with Japan despite historical and political frictions.