A roadside bomb has struck a military convoy in north-western
Military spokesman Maj Gen Waheed Arshad said four soldiers were also wounded in the blast in the troubled
The bomb hit the convoy about 30km (20 miles) from the region's main town, Miran Shah.
North Waziristan has been at the centre of fighting in recent months and the
The violence has been escalating since mid-July when a ceasefire between the army and militants broke down.
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