Write a text based on "un urges war crimes probe in myanmar"

Text:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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a un special envoy upped pressure friday on myanmar 's ruling junta with a pre - election call for an investigation into whether the regime is guilty of war crimes and crimes against humanity .