Original sentence: The massacre allegations were subsequently rejected by outside observers, though major human rights organizations maintained that war crimes had taken place and criticized the actions of both sides.These allegations were aired widely in the Arab world, eliciting strong criticism of Israel
Edited sentence: The massacre allegations were subsequently rejected by outside observers, though major human rights organizations controversially maintained that war crimes had taken place and criticized the actions of both sides.These allegations were aired widely in the Arab world, inciting extreme antipathy toward Israel