Israeli president Reuven Rivlin and MK Shuli Muallm lay stones at a memorial site built on the spot where 21-year old Israeli woman Hadar Buchris was killed in a terror attack a few days ago near the Gush Etzion junction. November 24, 2015. Photo by Gershon Elinson/FLASH90

Israeli president Reuven Rivlin and MK Shuli Muallm lay stones at a memorial site built on the spot where 21-year old Israeli woman Hadar Buchris was killed in a terror attack a few days ago near the Gush Etzion junction. November 24, 2015. Photo by Gershon Elinson/FLASH90

Israeli president Reuven Rivlin and Jerusalem mayor Nir Barkat visit the family of Rabbi Yaakov Don who was murdered in a terrorist drive-by shooting in Gush Etzion a few days ago. November 24, 2015. Photo by Gershon Elinson/Flash90

Israeli president Reuven Rivlin and Jerusalem mayor Nir Barkat visit the family of Rabbi Yaakov Don who was murdered in a terrorist drive-by shooting in Gush Etzion a few days ago. November 24, 2015. Photo by Gershon Elinson/Flash90

Israeli president Reuven Rivlin and Jerusalem mayor Nir Barkat (not seen) speak with Sara Don, widow of Rabbi Yaakov Bon, who was murdered in a terrorist drive-by shooting in Gush Etzion a few days ago, as president Rivlin and mayor Barkat visit the Don family in their home in the Jewish settlement of Alon Shvut. November 24, 2015. Photo by Gershon Elinson/Flash90

Chairman of the Gush Etzion local council Davidi Pearl and Jerusalem mayor Nir Barkat during a visit near the Gush Etzion junction, an area which has been hit by several recent terror attacks.November 24, 2015. Photo by Gershon Elinson/FLASH90

Chairman of the Gush Etzion local council Davidi Pearl and Jerusalem mayor Nir Barkat during a visit near the Gush Etzion junction, an area which has been hit by several recent terror attacks.November 24, 2015. Photo by Gershon Elinson/FLASH90

Israeli president Reuven Rivlin meets with commander of the Gush Etzion brigade, Roman Gofman, as president Rivlin visits the Jewish settlement of Alon Shvut, in Gush Etzion, on November 24, 2015. photo by Gershon Elinson/FLASH90

Israeli president Reuven Rivlin arrives with a cake his wife had baked to give to Ruti Gilis (not seen), widow of Dr Shmuel Gillis who was killed in a terror attack, as Rivlin visits Israeli soldiers at the "soldiers corner" in Gush Etzion. The "soldiers corner" is a place where Israeli soldeirs can come to rest and eat at the Gush Etzion junction. November 24, 2015. photo by Gershon Elinson/FLASH90

Israeli president Reuven Rivlin arrives with a cake his wife had baked to give to Ruti Gilis (not seen), widow of Dr Shmuel Gillis who was killed in a terror attack, as Rivlin visits Israeli soldiers at the "soldiers corner" in Gush Etzion. Rivlin, in return, was given an apron from Ruth Gilis. The "soldiers corner" is a place where Israeli soldeirs can come to rest and eat at the Gush Etzion junction. November 24, 2015. photo by Gershon Elinson/FLASH90

Israeli president Reuven Rivlin arrives with a cake his wife had baked to give to Ruti Gilis, widow of Dr Shmuel Gillis who was killed in a terror attack, as Rivlin visits Israeli soldiers at the "soldiers corner" in Gush Etzion. Rivlin, in return, was given an apron from Ruth Gilis. The "soldiers corner" is a place where Israeli soldeirs can come to rest and eat at the Gush Etzion junction. November 24, 2015. photo by Gershon Elinson/FLASH90

Israeli president Reuven Rivlin arrives with a cake his wife had baked to give to Ruti Gilis, widow of Dr Shmuel Gillis who was killed in a terror attack, as Rivlin visits Israeli soldiers at the "soldiers corner" in Gush Etzion. The "soldiers corner" is a place where Israeli soldeirs can come to rest and eat at the Gush Etzion junction. November 24, 2015. photo by Gershon Elinson/FLASH90