A woman, who was about to leave Guyana for Barbados, was doused with a bucket of waste-oil at the Ogle International Airport.
The woman has been identified as Abigail Austin.
A ma, said to be closely connected to the woman, has been taken into custody.
The incident occurred shortly before 3 PM while the woman was about to check in to board a LIAT flight to the Caribbean island.
They were taken to a nearby police station to assist investigators.