The Boston Fire Department is responding to a report of a hazardous materials situation at the Embassy Suites in East Boston.
Boston fire said they responded to a Level 2 hazmat call at the hotel, located at 207 Porter St.
A 5-gallon container of hydrogen peroxide is leaking on the penthouse roof.
The 9th and 10th floors were evacuated as a precaution, but no injuries have been reported.
No further information was immediately available.