An entertainment outlet in Kota Damansara was hit with a Molotov cocktail.
A Bangladeshi worker was hurt in the incident which occurred around 4pm today, according to Harian Metro.
The worker, in his 30s, suffered burns to his hand and head, the report said.
It said two men in face masks were responsible for the attack, and that they fled in a black Audi car.
The victim was sent to Sungai Buloh Hospital for treatment.