<div><span style="font-size: 1rem;">Four people died Friday after a small plane appeared to have broken up in midair before striking the ground east of Harvey Field Airport in Snohomish County, US state of Washington, investigators announced on Saturday.</span><br></div><div><br></div><div>The accident happened about an hour after the Cessna 208B plane took off from Renton.</div><div><br></div><div>On Saturday morning, the Snohomish County Sheriff's Office confirmed that all the four people aboard the plane had died.</div><div><br></div><div>The Snohomish County medical examiner has been identifying the victims, and the crash is under investigation by the National Transportation Safety Board and the Federal Aviation Administration.</div><div><br></div><div>According to the Federal Aviation Administration website, the crashed plane with identifier tail number N2069B was owned by Copper Mountain Aviation of Alaska, Xinhua reported.</div><div><br></div><div>bnbd24/fas</div>