Senator Elizabeth Warren is pressing federal officials for answers on why they seized at least two of Massachusetts’ recent orders for protective equipment, charging that it appears they are still interfering with states’ efforts to track down medical supplies amid the coronavirus pandemic.

In a five-page letter Monday, Warren asked Peter Gaynor, the Federal Emergency Management Agency administrator, to outline how the agency is ensuring states aren’t outbid for supplies by the federal government, which she called a “new and inexplicable obstacle.”

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“Massachusetts state officials are continuing to face federal impediments as they scramble to find essential medical equipment to respond to a public health emergency,” Warren wrote in her letter. “This is unacceptable, and I request answers on behalf of the Commonwealth.”

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