"We cannot engage with counterparts who have attacked the Iranian People and continue to threaten and sanction us," Araghchi wrote on X.
He added that Iran nevertheless welcomes "initiative that ends Israel's Genocide in Gaza and ensures the expulsion of occupation forces."
Egyptian President Abdel Fattah el-Sisi and US President Donald Trump will co-chair the summit in Sharm el-Sheikh on Monday, aimed at putting an end to the conflict in the Gaza Strip, the statement said..