One person is in custody following an apartment fire in East Bakersfield Tuesday morning. 

According to Bakersfield Fire, the blaze broke out just after 9 a.m. on Niles Street near Haley. 

After evacuating residents from the complex, some said someone was still inside. 

An arson investigator went into the complex and found someone was locked in a bathroom. The arson investigator tried to get the man out, at which time the man came out and went after the investigator with a large hammer. 

Bakersfield Police were called and took the man, who has been identified only as 35 years old, into custody. 

Damages have been estimated at $20,000.