At first the 90 Palestinian guests were not given permission to enter Israel, a decision that was overturned by Israel’s Supreme Court.
Israel reportedly was informed ahead of the pre-dawn Saturday airstrikes by the United States, France and Britain in retaliation for a Syrian army chemical attack on civilians.
Israel's army said there were a number of attempts by demonstrators to breach the border.
The Reform leader called for a “just solution” to the conflict between Israel and the Palestinians.
The video that came to light over the weekend was filmed in December, not during the recent border clashes.
Israel, as is its standing policy, has neither confirmed nor denied involvement in the attack.
Bernie Sanders said Israel "overreacted," Israelis on the left said the military was "trigger happy" and the army said its soldiers "targeted specific terrorists."
An Israeli general said troops were identifying "attempts to carry out terror attacks under the disguise of riots."
In anticipation of some 100,000 Gazans marching to the security fence in the annual observance of Land Day, Israel has deployed some 100 snipers.
The news was released Wednesday after the IDF Military Censor cleared it for publication, 10-and-a-half years after the attack took place.