Crews battled a structure fire that broke out at a two-story duplex in Koreatown Saturday.

Firefighters responded around 9 p.m. Saturday to 847 S. Berendo St. near the intersection of West Eighth Street and Vermont Avenue, according to the Los Angeles Fire Department.

Officials with the department said flames were visible from the second floor. Crews were able to knockdown the blaze about 30 minutes later.

It was unclear if there were any reported injuries.

The cause of the fire has not yet been determined.