Israeli members of knight clubs, wearing costumes, take part in the reenactment of the Battle of Hattin (aka the Horns of Hattin) from the ancient northern city of Tzipori to Horns of Hattin on July 5, 2014. Some 70 Israelis, mostly Russian origin, took part in the reenactment of the battle that was fought on the same day in 1187, when Arab Sultan Salaheddin's army crashed the Crusader forces on his way to Tiberias. Photo by Gil Eliyahu/Flash90

Israeli members of knight clubs, wearing costumes, take part in the reenactment of the Battle of Hattin (aka the Horns of Hattin) from the ancient northern city of Tzipori to Horns of Hattin on July 5, 2014. Some 70 Israelis, mostly Russian origin, took part in the reenactment of the battle that was fought on the same day in 1187, when Arab Sultan Salaheddin's army crashed the Crusader forces on his way to Tiberias. Photo by Gil Eliyahu/Flash90

Israeli members of knight clubs, wearing costumes, take part in the reenactment of the Battle of Hattin (aka the Horns of Hattin) from the ancient northern city of Tzipori to Horns of Hattin on July 5, 2014. Some 70 Israelis, mostly Russian origin, took part in the reenactment of the battle that was fought on the same day in 1187, when Arab Sultan Salaheddin's army crashed the Crusader forces on his way to Tiberias. Photo by Gil Eliyahu/Flash90

Israeli members of knight clubs, wearing costumes, take part in the reenactment of the Battle of Hattin (aka the Horns of Hattin) from the ancient northern city of Tzipori to Horns of Hattin on July 5, 2014. Some 70 Israelis, mostly Russian origin, took part in the reenactment of the battle that was fought on the same day in 1187, when Arab Sultan Salaheddin's army crashed the Crusader forces on his way to Tiberias. Photo by Gil Eliyahu/Flash90

Stone-throwing Palestinians clash with Israeli security forces (not seen) in the Arab-Israeli town of Arara, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

Israeli security forces detain a Palestinian man in the Arab-Israeli town of Arara, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and stone- throwing Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

Israeli security forces clash with stone-throwing Palestinians (not seen), in the Arab-Israeli town of Arara, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

A woman waves a Palestinian flag as stone-throwing Palestinians clash with Israeli security forces in the Arab-Israeli town of Arara, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90 *** Local Caption *** ערערה מהומות מהמות פלסטינים פלסטיני פלשתיני פלשתינאים פלסטינאים

Stone-throwing Palestinians clash with Israeli security forces (not seen) in the Arab-Israeli town of Arara, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

Stone-throwing Palestinians clash with Israeli security forces (not seen) in the Arab-Israeli town of Umm el Fahm, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

Stone-throwing Palestinians clash with Israeli security forces (not seen) in the Arab-Israeli town of Umm el Fahm, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

Stone-throwing Palestinians clash with Israeli security forces (not seen) in the Arab-Israeli town of Umm el Fahm, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

Israeli security forces clash with stone-throwing Palestinians (not seen) in the Arab-Israeli town of Umm el Fahm, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

Stone-throwing Palestinians clash with Israeli security forces (not seen) in the Arab-Israeli town of Umm el Fahm, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

Israeli security forces seen near traffic jams following clashes between Israeli police and stone-throwing Palestinians (not seen) in the Arab-Israeli town of Umm el Fahm, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Omar Samir/FLASH90

Stone-throwing Palestinians clash with Israeli security forces in the Arab-Israeli town of Arara, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Tamer Khalifa/FLASH90

Stone-throwing Palestinians clash with Israeli security forces in the Arab-Israeli town of Arara, Northern Israel, yesterday, July 05, 2014. Clashes between Israeli police and Palestinian protesters spread from Jerusalem to Arab towns in northern Israel, following the funeral of a Palestinian teenager who was killed by Israeli extremists in a revenge attack for three young Jewish teens who were abducted and murdered by what Israel suspects to be Hamas terrorists. Photo by Tamer Khalifa/FLASH90