A single vehicle accident in Waterloo sent the driver to the hospital late Friday night, according to KWWL. The accident happened around 11:45 Friday night when the car hit a tree near the intersection of 9th Street and Lafayette Street. The driver suffered life threatening injuries. As of Saturday morning he was in serious condition, according to Waterloo police. His name has not yet been released. What led to the accident has also not been made public to this point.