Concerns over MDMA have forced UMass to cancel a dance party planned for next weekend.
'Return to Fantazia' was supposed to be held at the Mullins center on the Sept. 21.
The school says the event is canceled because of multiple overdoses and deaths in New England and New York at similar parties recently.
MDMA is also known as "Molly."
It's a pure form of ecstasy.
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