Authorities said they responded to reports of a shooting and found four victims with gunshot wounds inside a vehicle near East 15th Street and Timberlake Avenue, News 9 reported.
After further analysis of the area, it turned out that the number of injured was even higher.
"Ten people have been hospitalized, but the condition of the victims is currently unknown, authorities said. No arrests have been made at this time," they said.
Police also announced that, according to a preliminary investigation, a search is underway for at least two people suspected of participating in the shooting.
Arcadia Lake is located about 13 miles north of Oklahoma City in the suburbs of Edmond, a city of about 100,000 people. The lake is a popular spot for entertainment, camping, fishing and water sports.