Several Palestinian groups have condemned President Mahmoud Abbas on Saturday for blaming Hamas for Israel’s war on Gaza. Hours after Israeli airstrikes killed at least 90 Palestinians in the Al-Mawasi area of Khan Younis in Gaza, the Palestinian presidency issued a statement holding the Israeli government and the US administration to account for the massacre, as well as saying Hamas also holds some blame. The PM accused the US of providing “all kinds of support to the occupation and its crimes, which are a link in the chain of daily massacres committed in the Gaza Strip and the West Bank,” ad…