Ephraim Mirvis wrote on Sunday that "no act of evil will deter us from uniting against the forces of darkness that seek to divide us."

Merkos Chairman Rabbi Yehuda Krinsky called on world leaders to take action on the killing of Rabbi Zvi Kogan of the Emirates; Aguch Chairman Rabbi Avraham Shemtov sent letter of strength to chassidim.

Mossad and authorities in the Gulf country had opened an investigation into Kogan's disappearance believing it may be related to “a terrorist incident.”