(CNN) An Amber Alert has been expanded to surrounding states as authorities search for a 3-year-old girl last seen at a birthday party in Birmingham, Alabama, city Police Chief Patrick Smith said Monday morning.

Two people are being questioned in the disappearance of Kamille "Cupcake" McKinney, Smith said at a news conference.

Smith said there does not appear to be any connection between the two people and the girl's parents.

Kamille "Cupcake" McKinney

The chief said police found a Toyota Sequoia with beige trim that investigators think may have been used in the girl's disappearance. Earlier, police said they were looking for a Toyota 4Runner.

"Unfortunately, investigators have not received any information on the location of Kamille," Smith said.

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