CAMBRIDGE, MASS. (WHDH) - Firefighters responded to a hazmat incident at a Cambridge laboratory late Thursday morning, officials said.

Several people inside the lab building on Portland Street were evaluated by paramedics as a precaution, according to the Cambridge Fire Department.

Authorities said the incident was contained, as of around 11:30 a.m.

The incident took place on an upper floor, fire crews said. No additional information was immediately available.

This is a developing news story; stay with 7NEWS on-air and online for the latest details.

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