Gunmen attack Kamra military air base in Pakistan
Gunmen have attacked a Pakistani military air base and are engaged in a fierce fire-fight with security forces, officials say.
Militants attacked the Minhas air base at Kamra, about 60km (35 miles) north-west of the capital Islamabad, in the early hours of Thursday.
The Pakistani air force said troops had cordoned off the area and that the "terrorists" had been surrounded.
It is not known if there are any casualties.
All Pakistan's air bases have been placed on high alert following the attack.
A police officer outside the air base, Hafeez Aulakh, said he could hear intense gunfire and see flames leaping up from inside, the Associated Press news agency reported.
Reports said the gunmen had been wearing military uniforms.
No group has said it carried out the attack but Islamist militants linked to the Pakistani Taliban have previously targeted military bases.
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