BAGHDAD (Reuters) - Iraqi Prime Minister Haider al-Abadi said on Saturday that Kurdish plans to hold a referendum on independence was like  playing with fire , according to a local media website.   Abadi s comment came after the parliament of the autonomous Kurdish region in northern Iraq approved on Friday the Kurdistan Regional Government s plan to hold the vote on Sept. 25. The vote could jeopardize gains achieved by the Kurds under the self-rule regime, Abadi said, according to the Iraqi Media News Agency news website. Abadi s media office didn t answer calls to confirm his comments.  