HOBOKEN - Classes will not resume until at least Thursday for students of the Hoboken Charter School that was severely damaged by fire last week.

School officials say they will try to find an alternative site for the school's K-8 program.

Seven firefighters were injured and about 200 students had to be evacuated when a three-alarm fire erupted at the school Thursday morning. Roughly 100 students at a nearby school were also evacuated as a precaution.

Investigators say it's still not clear what sparked the blaze, which started on the second floor of the four-story charter school building. The structure sustained fire, smoke, and water damage.