4 dead after small plane crashes in Polk County, Wis.

Polk County authorities confirmed four people are dead after a small plane crashed near Alden Township, Wis. on Monday around 5:30 p.m.

Witnesses indicated that the single-engine airplane nose-dived and crashed in a field north of 30th Ave. and east of 150th Street.

"Deputies responding found a single engine Beechcraft aircraft burning in the field. When the fire had been extinguished by responding fire units, the remains of 4 occupants were located in the airplane," Polk County Sheriff's Office said in a press release.

The Polk County Sheriff’s Office will be assisting the Polk County Medical Examiner’s Office along with the FAA and NTSB as this crash investigation continues.