New Zealand Prime Minister John Key is hesitant to consider the possibility of sending military support to help the international coalition target the Islamic State of Iraq and Syria militants in the Middle East. According to reports, the prime minister is still weighing his options and seeking advice, but his statement did not mean the country is prepared to join the fight against ISIS.

About 40 nations have joined the U.S.-led international coalition in launching airstrikes against the extremist group in Iraq and Syria. Several countries that have expressed their support were from the Middle East. Most of the Western countries have concentrated their efforts in Iraq.

Australian Prime Minister Tony Abbott had previously announced Australia will support the U.S. and sent war planes on standby. A contingent of Australian special forces group is also ready to give support to Iraqi and Kurdish forces fighting ISIS on the ground.

Mr Key said he was reluctant to volunteer New Zealand's participation in the fight against ISIS beyond humanitarian aid. He said no one has requested New Zealand to join the international effort. He said he was simply seeking more advice from officials.

Mr Key, who recently won the election for a third term in office, said New Zealand does not have the air capabilities to launch airstrikes. He said before the government commits to anything, it should be decided "very cautiously." He mentioned the country's previous commitment in Iraq which lasted a long time.

The U.S. and other members of the coalition have solely relied on aerial assaults to attack ISIS-held locations in Iraq and Syria. Mr Key said U.S. military officials believe ground troops may be needed soon to defeat the militants. U.S. President Barack Obama has previously announced he will not decide on sending ground troops.

In a news conference, when reporters asked if Mr Key had changed his mind on the matter, he rejected the idea and send he will not be sending troops to Iraq back in June. He admitted he cannot rule that the option was absolutely out, but it was his duty to seek advice first before making a commitment. Mr Key acknowledged that ISIS has become a new problem for the world. He said their acts of brutality are "grotesque."

Meanwhile, Labour defence spokesperson Phil Goff said the country should avoid joining combat operations against ISIS. U.S.-led forces continue to target the militants with airstrikes. Reports said the Pentagon revealed that four small oil refineries were hit in Syria. It is believed the oil plants generate about US$2 million daily revenue for ISIS.

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