The cantonment boards of Rawalpindi and Chaklala, located near the federal capital, received the threat from the banned Tehrik-e-Taliban Pakistan. A letter in which the Taliban purportedly threatened to contaminate water sources was faxed to the Directorate of Military Lands and Cantonments in Rawalpindi on Tuesday.
The letter said the Taliban had procured 200 litres of poisonous materials that would be used to contaminate water sources and reservoirs in Rawalpindi and Chaklala.
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