(KTXL) — Two children and one adult are dead following a Wednesday night crash involving 11 people including nine children near South Natomas, the Sacramento Police Department said.

Police said the sedan crashed into a tree along San Juan Road for an unknown reason.

Police said all children in the vehicle were between the ages of 3 and 8, including the deceased children who were a 3-year-old and a 5-year-old.

According to the police, all the children were seriously or critically injured. The other adult also received major injuries.