LOS ANGELES (Reuters) - Embattled R&B singer Chris Brown crashed his car into a wall in upscale Beverly Hills on Saturday, and later told police officers he was trying to elude aggressive paparazzi, police said. The crash came on the eve of the Grammy Awards, almost exactly four years after Brown assaulted his girlfriend, singer Rihanna, the night before the awards show in 2009. In the latest incident, Brown told Beverly Hills police that photographers were chasing him right up until the crash, said police Sergeant Kurt Haefs. The singer was not cited or arrested at the scene, Haefs said. ...