Gillado said authorities are investigating the reason why a large number of chemicals could be restored in an uncontrolled area
such as a house, with black market trading as among the possible motives.
The security forces have cleared 640 square kilometres of so far uncontrolled area
in the valley along the border with Afghanistan, the Inter-Services Public Relations said in a statement.
RAWALPINDI -- Pakistan Army has cleared 650 square kilometres of uncontrolled area
in the final phase of operation in Shawal Valley.
"We don't know what exactly happened because it has occurred in an uncontrolled area
," said Brig Nanayakkara.
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