(CNN) Amid demands for justice, Detroit police have charged a teenager with killing two gay men and a transgender woman, Wayne County Prosecutor Kym Worthy said.

Devon Robinson, 18, was arrested Thursday in the May 25 triple slaying, Worthy said in a statement.

"The alleged actions of this defendant are disturbing on so many levels," she said. "But the fact that this happened during Pride month adds salt into the wound. We must remain ever vigilant in our fight to eradicate hate in Wayne County and beyond."

The victims were killed at a home in the Devonshire neighborhood on the east side of the city, the prosecutor said. They have been identified as Alunte Davis, 21, and Timothy Blancher, 20, both gay, and Paris Cameron, 20, a transgender woman.

Two more people were shot but survived, Worthy said.

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