U.S. Among Governments Calling for Humanitarian Access in Sri Lanka.

However, Teresita Schaffer, a former U.S. ambassador to Sri Lanka and head of CSIS South Asia Program, said the government has "no interest" in any kind of diplomatic solution to reach a peace agreement with the rebels, and that although the Tigers are in retreat, their tenacity should not be underestimated.

"When you’re dealing with asymmetric warfare, insurgents are a weaker power by any normal measure, but the Tigers have nothing to lose,” said Schaffer, who was ambassador from 1992 to 1995. She described the Sri Lankan president as "all tactics and no strategy," said Schaffer.

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