Two at the End by William Nkemdirim

Six days ago, a man was killed. Last night, both his bodies were found.
Folashade has tracked similar murders across Lagos, Nigeria, following a trail of cloned and mutilated scientists, fearing they are one of many signs that the Abyss—the hellish, physics bending anomaly at the centre of Lagos—is expanding. Monstrosities have been sighted. Villages have disappeared. Mutants and cancers are commonplace.
But as Folashade starts to make sense of the chaos, she sees echoes of her sister who died in the Abyss a decade ago, she can’t tell if the Abyss is growing or if her mind is unravelling.

Category: Science Fiction – Dystopian