"We are doing everything we can to assist customers during delays and cancellations, but we anticipate the issues to continue until an overarching solution is implemented, " she says, asserting that general air traffic control problems are at least partly to blame.

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"But if it can be made locally and the price comes down, we could have big problems, " says Narong Suwanapiam, deputy secretary general of the Office of the Narcotics Control Board in Bangkok.

CNN: IN THE GRIP OF ECSTASY