Firefighters extinguished the heavy fire in roughly 30 minutes.
Firefighters rushed to the scene before calling for help from the police, believing a man inside the gas station had a gun.
Emergency officials were first called to the 400 block of Bellflower Boulevard near Pacific Coast Highway at about 5 p.m.
Los Angeles fire crews are battling a grass and rubbish fire in burning near some shipping containers in the Wilmington area.
Partners of Parks, an organization that supports the city’s Parks, Recreation and Marine programs, set a goal of raising $1 million.
A large plume of smoke could be seen from the freeways and nearby neighborhoods.
Playground company representative Eric Lewis said that he and Long Beach officials just entered the early stages of replacing the playground. “We all wanna see this thing get fixed,” he said. “It has our full attention.”
The LBFD said one patient was assessed for possible smoke inhalation, but nobody was seriously hurt.
“It was just kind of devastating ‘cause I know a lot of the kids like to play with that, and a lot of people go to the park for that,” one local said.
More than 40 firefighters between nine engines helped extinguish the fire within 30 minutes, a fire department spokesman said.