Montgomery County police said three people were hospitalized after a party at a Potomac cul-de-sac ended in violence.

At 1:10 a.m. Saturday, police arrived at a residence on Alloway Court to investigate a report of a stabbing. The violence occurred after uninvited guests had shown up at a party inside the home earlier in the evening. Police said that word of the party had spread on social media and that when things apparently got out of hand, the party was shut down and everyone was told to leave.

As partygoers left the house, a group gathered out front and several assaults occurred, police said.

By the time officers arrived, friends had taken those injured in the melee to hospitals. About a half-hour later, officials at a hospital alerted police that two male victims had come into the emergency room with wounds consistent with a fight. One was a 20-year-old with stab wounds and the other was an 18-year-old with injuries to his face and torso.

An hour after the first call, police in a neighboring jurisdiction were called to another hospital, where a 15-year-old boy had been admitted to the emergency room with stab wounds.

Montgomery police later determined that all three had been injured after the party at the residence on Alloway Court.

After a search of the Alloway Court home, police said they found evidence connected to the assaults and stabbings. A weapon also was found near the home, but police said it was not clear whether it was used in the altercations.

The 20-year-old and 18-year-old have been released from the hospital, police said. The 15-year-old is still receiving treatment at a hospital.

Detectives had not identified any suspects in the assaults or stabbings.

The case remains under investigation.

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