Two people were killed and three were wounded when shots were fired early Sunday during an argument at a gathering at an Oklahoma home, police said.

Tulsa police said officers were called to the home at about 2 a.m. Police have not said how many people fired weapons or whether any suspects have been identified or arrested.

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Police said one of the victims died at the scene while four others were taken to hospitals with critical injuries. One of those taken to a hospital died after arriving.

Police said four small children were in a back room of the home at the time, but they were not hurt.