Palestinian president Mahmud Abbas will not go to the Non-Aligned Movement summit in Iran if his rival Ismail Haniya of Hamas also attends, a minister told AFP on Saturday. \"President Abbas will not take part in the Non-Aligned summit if Haniya is present, no matter what form his attendance takes,\" foreign minister Riyad al-Malki said in Ramallah, headquarters of the Palestinian Authority. A Hamas spokesman earlier on Saturday said Haniya would attend the August 30-31 conference in Tehran \"in accordance with the invitation from Iranian President Mahmoud Ahmadinejad.\"