(UPDATE: 8:25) - San Luis Obispo County Sheriff's deputies along with CHP and the Paso Robles police department responded to the incident.
Deputies say they do not know the source of the reports of shots being heard. Deputies did not find any evidence of shots being fired on scene and say this could have been a sound from a number of things.
Investigators questioned multiple people, with a male and female being detained, however, they were released after it was determined they were not a part of the incident.
The incident is still under investigation and anyone who may have information about what happened to call the San Luis Obispo County Sheriff's Office.
(UPDATE: 6:45 pm) - Deputies with the San Luis Obispo County Sheriff's Office say the suspect who barricaded themselves in a home in Paso Robles is in custody.
No further information about the incident is being provided at this time.
San Luis Obispo County Sheriff's deputies are responding to reports of shots heard in Paso Robles.
Deputies say the reports came in at around 5:30 pm Wednesday on the 200 block of West 4th Street.
As of 6:10 pm, law enforcement are working to contact someone inside a home who is refusing to come out.
Community members are being asked to stay clear of the area.
This is a developing story and will be updated when new information becomes available.