Two men were killed Saturday morning when the car they were in plunged into a downtown Naperville quarry, officials said.

Police said the crash took place just before 2 a.m. Saturday near the intersection of Aurora Avenue and Eagle Street in Naperville.

Police, citing preliminary information, said a 2007 Chevy Impala was driving westbound on Aurora Avenue when it left the roadway at Eagle Street, crashing into several trees and landing in a quarry.

The driver was able to escape from the vehicle and swam to safety, according to authorities. He was transported to Edward Hospital where he was treated and released.

Two passengers inside the vehicle, identified as Mihirtej Boddupalli, 21, of Lisle and Sajaad Safiullah Syed, 21, of Naperville, were unable to escape and were found by fire and police divers.

They were transported to Edward Hospital where they were pronounced dead.

Michael T. Szot, 21, of Geneva, was charged with four counts of aggravated driving under the influence of alcohol causing the death of another and two counts of reckless homicide.

An investigation into the accident was ongoing as of Saturday afternoon. Police are asking anyone with information on the incident to call Naperville Police at (630) 305-5285.