On Sunday, Hamas military forces captured 28-year-old Muhammad Swairki, a cook for President Mahmoud Abbas’s presidential guard, and executed him by throwing him to his death, with his hands and legs tied, from a 15-story apartment building in Gaza City.
It’s in the Wikipedia link.
But here you go: https://www.hrw.org/news/2007/06/12/gaza-armed-palestinian-groups-commit-grave-crimes
https://www.nytimes.com/2007/06/15/world/africa/15iht-mideast.4.6161020.html