Firefighters are cleaning up after a two-alarm fire at an apartment building near Union Square.

The fire at 734 Bush St. began about 4:13 p.m., according to the San Francisco Fire Department. Crews put out the flames less than 15 minutes later. No one was hurt.

Yoo Oh, who owns First Quality Cleaners next door at 730 Bush St., said smoke was coming out from one of the top floors of 734 Bush St. when firefighters arrived. Crews immediately evacuated the seven-story building, Oh said.

Firefighters remain on the scene. The cause of the fire is under investigation.

Please make sure your comment adheres to our comment policy. If it doesn't, it may be deleted. Repeat violations may cause us to revoke your commenting privileges. No one wants that!