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Thousands of Chabad-Lubavitch rabbis from around the world were led in prayer and solemn song by a delegation of rabbis from Pittsburgh on Sunday morning, in memory of those brutally murdered in an anti-Semitic shooting eight days before. Emissaries from Pittsburgh had spent Shabbat with overflowing congregations in synagogues and on college campuses back home before traveling to New York.

The assembly then posed for the annual group picture of Chabad-Lubavitch emissaries taken in front of Chabad-Lubavitch world headquarters in Brooklyn, N.Y. They are among 5,600 rabbis and communal leaders from around the world who are in New York for the world’s largest rabbinic gathering, an annual event that is aimed at strengthening Jewish awareness and practice around the world.

Video: Mendel Konikov for Chabad.org

Thousands of Chabad-Lubavitch rabbis are led in prayer and solemn song by a delegation of rabbis from Pittsburgh in memory of those brutally murdered in the anti-Semitic shooting, prior to having a group picture taken in front of Chabad-Lubavitch world headquarters. (Credit: Mendel Grossbaum/Chabad.org)

Chaplains in the U.S. armed services. (Photo: Itzik Roytman for Chabad.org)

Rabbi Mendy Kotlarsky, right, of Brooklyn, New York, puts on tefillin with a visitor. (Photo: Mendel Grossbaum / Chabad.org)

Rabbi Shimon Lazaroff, center, of Houston converses with Rabbi Yisroel Spalter, of Weston, Fla., right. (Photo: Mendel Grossbaum / Chabad.org)

(Photo: Mendel Grossbaum / Chabad.org)

(Photo: Mendel Grossbaum / Chabad.org)

Rabbi Shmuel Lerner, of Be'er Ya'akov , Israel , snaps a selfie with a rabbinic colleague. (Photo: Mendel Grossbaum / Chabad.org)

(Photo: Mendel Grossbaum / Chabad.org)

(Photo: Mendel Grossbaum / Chabad.org)

Rabbi Tzvi Rivkin, center, of Bangalore, India, looks on amid a sea of black hats as they pose for a group photo in front of Chabad-Lubavitch world headquarters. (Photo: Mendel Grossbaum / Chabad.org

(Photo: Mendel Grossbaum for Chabad.org)

(Photo: Mendel Grossbaum for Chabad.org)