Latest: A French prosecutor has opened a formal kidnapping investigation into the disappearance of a nine-year-old girl who went missing from a wedding celebration last weekend.

A second man is being questioned over the disappearance of a nine-year-old girl at a wedding party in an Alpine town, French officials said.

French police have detained a wedding guest for questioning in connection with the search for a nine-year-old girl who went missing at a weekend wedding party in the Alps.

Latest: Extensive searches are being conducted following the disappearance of a nine-year-old girl while at a wedding in eastern France.