PARIS, Dec. 21 -- French emergency services recoverd the body of a 12-year-old boy after a helicopter, with four people on borad, crashed in southeastern France, local media reported on Saturday.

The news channel BFMTV said the former owner of the wine chateau of La Riviere James Gregoire, and Lam Kok, owner of Hong Kong-based hotel group Brilliant, who bought the 65 hectares of wines, were feared dead after more searches have been launched on Saturday.

The body of Kok's son was found late Friday in the wreckage of the helicopter which crashed in the river Dordogne in Gironde, while a Chinese interpreter was still missing, the report added.

The cause of the crash was not immediately known.