The BBC has obtained extraordinary recordings believed to be of phone calls made by Tunisian ex president Zine al-Abidine Ben Ali as he flew out of the country in 2011.
More than 100 others were also injured near two sites run by the Gaza Humanitarian Foundation, according to the Hamas-run health ministry and civil defence agency.
The world's leading association of genocide scholars cited several actions by Israel, including attacks on the healthcare sector and the killing of children.
