Ammonia fumes forced the evacuation of a refrigerated warehouse building on Will Drive today. One woman was taken to the hospital.

An ammonia leak inside DPI New England Distribution Plus on Will Drive this afternoon force more than two dozen employees outside and sent one woman to the hospital.

The woman was overcome by fumes in the refrigerated warehouse building after ammonia leaked out of one of the units.

The leak happened shortly after 1 p.m. Canton firefighters were still checking employees outside the building at 2:25 p.m.