CHULA VISTA, Calif. -- An investigation was under way Tuesday into the death of a 19-year-old Southwestern College student who was found unresponsive after a night of heavy drinking with friends in Chula Vista.

Paramedics pronounced Salvador Lopez dead Monday at a home in the 800 block of Regulo Place, according to the Chula Vista Police Department.

"An investigation into the incident revealed Lopez and several of his friends had engaged in the consumption of a large amount of alcohol at a party the previous night," Chula Vista police spokesman Bernard Gonzalez said.

The determination of an exact cause of death was pending an autopsy by the county medical examiner's officer.