One person died in a multicar crash on the 405 Freeway in the Sylmar area.SYLMAR, LOS ANGELES (KABC) -- One person died in a big pileup overnight on the 405 Freeway in Sylmar.The multicar crash happened around 12:30 a.m near Roxford Street. The victim was ejected from a pickup truck.The accident closed down the southbound side of the 405 until 5:30 a.m. Report a correction or typo