Overnight fire at duplex in St. Paul, Minnesota under investigation

A fire broke out at a duplex on Jenks Avenue in St. Paul, Minnesota overnight Monday. (FOX 9)

Authorities are investigating an overnight fire in St. Paul, Minnesota. 

The fire started around 2:30 a.m. at a duplex on the 200 block of Jenks Avenue in the Payne-Phalen neighborhood. 

Investigators are trying to determine the cause of a fire at a duplex on Jenks Avenue in St. Paul, Minnesota overnight Monday. (FOX 9)

Investigators have not said how the fire started or if anyone was hurt.