Two D.C. Department of Public Works workers were hospitalized after being overcome by fumes from a vapor cloud Monday morning.
The incident happened in an alley on the 1200 block of I Street in the northeast.
It is unknown at this time what the gas was, however, a person at the location told FOX 5 it may have been muriatic acid.
The investigation is still continuing at this time.
WTTG FOX 5 & myfoxdc
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