An investigation is underway in Rochester after the discovery of two bodies on the city's southeast side.

Officers found the two outside a vehicle shortly after 4 a.m. Wednesday in the 400 block of 9th Ave. SE. There were no obvious signs of trauma to the bodies, police said.

Rochester police are now working with the Southern Minnesota Regional Medical Examiner's Office to determine the cause and manner of death.

No other information was made available as the investigation continues.