LOS ANGELES - Four people were missing and a fifth was taken to a hospital in critical condition on Monday after a small plane crashed into a home near the airport in Riverside, California, local news media reported.Images broadcast by KABC-TV from the scene showed firefighters covering what appeared to be a body with a tarp and pouring water on the home in Riverside, about 60 miles east of Los Angeles.The station reported that another victim who was pulled from a window of the home and put on a stretcher appeared to be suffering from severe injuries.It was not immediately clear how many people were on board the plane when it took off from Riverside Airport.