Goa Police said Monday that owners of a nightclub were 25 people were killed in a fire over the weekend fled to Thailand mere hours after the blaze began. Photo by EPA

Dec. 9 (UPI) -- Police investigating Sunday's devastating Goa nightclub fire said the establishment's owners have fled to Thailand, according to reports.

Twenty-five people were killed and six injured in the blaze at the Birch by Romeo Lane nightclub in Arpora, located in India's southwestern coastal state of Goa.

Authorities have arrested at least four people in connection with the fire and have issued arrest warrants for nightclub owners Gaurav and Saurabh Luthra, who are brothers.

A Monday statement from Goa Police said the brothers had fled to Phuket a few hours after the fire began, The Times of India and Financial Express reported.