Updated: Thursday, 11 Mar 2010, 2:14 PM EST
Published : Thursday, 11 Mar 2010, 2:14 PM EST
BOSTON (FOX 25 / myfoxboston.com) - The Boston Fire Department is investigating a situation in South Boston where a mysterious envelope that contained white powder is making people feel ill.
According to authorities, at around 11:30 A.M. a woman on the fifth floor of the office building at 27 Wormwood St. received an envelope that contained a suspicious substance. The woman reportedly began to feel ill and itchy.
The incident has been declared a level 3 Haz-mat situation, which means the substance is considered extremely hazardous.
The fourth, fifth and sixth floors of the office building have been evacuated as a precaution. The woman is still being monitored and there have been no other illnesses reported.