Incident occurred at around 1:30am
Muskogee police officers responded to a call of multiple people shot in a house at around 1:30am, according to KJRH-TV.
When they arrived at the scene they found a person holding a gun, who was shot at by one of the officers. The shot missed, but the suspect was taken into custody after a brief chase on foot.
Inside the house, the responding officers found one man and four children dead, while an injured infant was helicoptered alongside a woman to a hospital in Tulsa.
Neither the names of the victims or the suspect have been released. Police are still investigating the incident.