Sara Grkovic, an aspiring Croatian model, was arrested Saturday after allegedly stabbing her identical twin sister, Dajana Grkovic, over a boy.

Sara Grkovic Stabs Identical Twin Sister

Sara and Dajana, 22, live together in a small apartment in Rijeka, and were reportedly arguing over a boy they both liked, who had recently entered into a relationship with Dajana. Other reports suggest that the boy was originally dating Sara, but then left her to date her twin sister.

“He [the boy] seems to have settled down in a relationship with Dajana and Sara was not happy about it. I never would have thought it would come to her trying to kill her sister, though,” a neighbor told a local news station.

Dajana, who suffered stab wounds to her chest and right thigh, is currently in stable condition, but is still in the intensive care unit (ICU). “She is slowly recovering but we are not allowing any visitors. Police are also waiting to interview her, but she is currently still too ill and they will not be allowed to speak until she has had further surgery,” said a hospital spokesman.

Meanwhile, Sara was arrested and is being held on a $150,000 bail, and is reportedly claiming she acted in self-defense after her twin attempted to strangle her.

Neighbors revealed that the twins have been living alone since their mother left to work in Germany. “They had been a bit wild since their mother went away, and they were left to their own devices. But we never thought it would come to something like this,” said another one of their neighbors.

The girls shared an obsession with the Kardashian family, specifically Kim Kardashian West, Khloe Kardashian and Kourtney Kardashian. “Both of them were stunning, I don’t think they worried about competition from other women, but they were certainly jealous of each other,” another neighbor said.