UPDATE (2/15) -- Pennsylvania State Police announced Wednesday that Sebastian Shults was arrested on a felony warrant stemming from the armed standoff in Rome Township. 

Shults was taken into custody on State Line Road in Windham Township Wednesday. He has been sent to Bradford County Correctional Facility on $300,000 bail.

Read WENY News' previous reporting below:

ROME TOWNSHIP, PA. (WENY) -- Pennsylvania State Police announced Thursday that the heavy police presence Wednesday evening on Battle Creek Rd. between Arnold Rd. and Buck Rd. was due to an armed standoff between police and a suspect. 

According to a press release, Sebastian Shults, a 26-year-old man, threatened to hurt himself and his ex-girlfriend. Police allege that Shults then barricaded himself in the upstairs of a home in the area. Police say family members heard him load a firearm. Troopers tried to call to him to talk, but he never answered them back.

State Police obtained a search warrant for the home. Pennsylvania State Police's Special Emergency Response Team entered the home, but could not find Shults. 

Police say Shults should be considered armed and dangerous; anyone with information on his whereabouts should contact PSP Towanda at 570-265-2186. 

Police also say a search of the home revealed "illegal activity" and evidence was collected. 

This is a developing story. WENY News will update the article when more information becomes available.