Man burnt as Adelaide home firebombed

An Adelaide home has been firebombed in an attack overnight.

A molotov cocktail was thrown through the front window of the home at 11.40pm.

A 36-year-old man inside the home suffered from minor burns to his arms but managed to extinguish the fire.

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Neighbours said the attack left them speechless and called the attack random, but police say the house was potentially targeted.

"It's dangerous a molotov cocktail could burn the whole house down if you don't know [that it's there]," one man said.

"I'm speechless...I never knew that would happen [here]."

The home wasn't burnt down, but the window was smashed in.

Emergency services attended the scene and seized the remains of the molotov cocktail to conduct forensic testing.