A three-alarm fire erupted at a city-owned building in Chinatown, Manhattan, on Thursday night, injuring at least one person.

The fire broke out on the fourth floor of the building around 8:40 p.m. EST and soon spread to the fifth floor. A total of 140 Fire Department personnel arrived at the scene to contain the blaze.

According to reports, the structure contained a dance center, an immigrant services organization and a senior center. Officials confirmed that at least one person was injured in the blaze, however, the extent of the injuries were not known.

Meanwhile, Mayor Bill de Blasio took to Twitter to tell citizens to avoid the area.

“Firefighters are battling a 3-alarm fire in a City-owned building in Chinatown, just across from Columbus Park. The New York City Fire Department is working hard to knock down the blaze on upper floors — please avoid the area as they work to bring it under control,” he tweeted.

“This building is home to many local non profits and a senior center that serves as a pillar to the Chinatown community. I know the neighborhood is in shock tonight. We’re going to help the community get through this,” he added.

This is a developing story.