BROOKLYN - Mayor Michael Bloomberg and developers broke ground on new development in Williamsburg that will clean up a contaminated site.

The project will clean up the abandoned site of an old gas station at 456 Grand St. Developer Babaey Group plans to create a six-story building with retail space on the street level and several apartments on the upper levels.

The cleanup is part of the city?s Brownfield program.

Neighbors welcome new Williamsburg project