ISLAMABAD, July 6 (Reuters) - A blast hit a military convoy in a town in northwestern Pakistan on Friday, and between two and five soldiers were killed, army officials said.

Initial reports spoke of a suicide attack but the military were investigating whether in fact the blast was due to a roadside bomb.

The attack occurred in Dir town in the North West Frontier Province, near the town of Malakand, in an area where sympathy for Islamist militants is strong.

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