A total of four people have been arrested following the deaths of two people in Lisnaskea.
Olivia Reilly, 29, was found dead in Trasna Way on Sunday, while Noel Reilly, 36, was found dead on Monday at Carrowshee Avenue.
Earlier, the PSNI had arrested a 32-year-old man and two 28-year-old men in the Lisnaskea area, on suspicion of possession and supply of Class A controlled drugs.
And, this evening, Wednesday, it was confirmed that a fourth man had been arrested.
The 18-year-old was arrested in Lisnaskea on suspicion of possession and supply of Class A drugs and possession of Class A drugs with intent to supply.
The men are currently assisting police with their enquiries.
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