(TUSCOLA COUNTY) -- A concerned citizen contacted the Tuscola County Sheriff's Department early Tuesday morning to report a suspicious vehicle in the Vaughn Village Trailer Park in Indianfields Township. The call came in at 2 a.m. Deputies were able to locate the vehicle and noticed items inside that indicated more suspicious activity. Some time later, several people were spotted running in the area. Two were caught immediately and two others a short time later. An investigation led deputies to a business on M-81 near Walk Road that has been broken into several times. The storage building is used to hold scrap metal. The four suspects were arrested and remain lodged in the Tuscola County jail. Two of the suspects had outstanding warrants and one is currently on probation. Names are being withheld pending arraignment.