Six militants and two security personnel were killed when heavily armed terrorists Thursday morning mounted a brazen attack on an airbase in Pakistan's Punjab province, military said.

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According to a spokesperson with Pakistan Air Force (PAF), at about 2 a.m. Thursday, six heavily armed militants launched the attack on PAF Kamra airbase in Attock district, which is located some 70 km northwest of the capital Islamabad, reported Xinhua.

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Intense gunfire broke out between the militants and the security forces, said the spokesperson, adding that six attackers were killed after more than three hours of fighting.u00a0

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One of the militants killed in the attack was wearing a suicide jacket.u00a0

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