A man had diesel poured over him in Pulrose early on Friday evening.
It happened in the garden of a property on Springfield Avenue at around 5pm.
Police say the man wasn't seriously injured, but was taken to hospital.
A suspect was arrested nearby and detained in custody.
Those involved were known to each other and there was no threat to the safety of the community in general.
Call police on 631212 or Crimestoppers on 0800 555 111 if you know anything about the attack.