The authorities in New Orleans are investigating a shooting that left at least 10 people wounded early on Sunday during a weekend of a popular football game that draws many visitors.

The shooting, which happened on Canal Street, left two of the victims in critical condition, the police said.

Officers near the scene of the shooting reported hearing gunfire around 3:21 a.m., the police said. They found multiple individuals had been shot. No officers were injured.

The police said on Twitter that a person was detained near the scene but that the individual’s “possible involvement” in the shooting remained under investigation, and that no arrests had been made. It was not clear what had motivated the shooting.