Plane pops on eagle, four dead

A plane crash in Alaska which last month were four deaths, appears to have been caused by a collision with bald eagle.

According to research in the accident, US media report. It is the first fatal accident once it was caused by the US national bird. However, there were more injured in clashes with the eagle.

The pilot, co-pilot and two passengers died on April 20 when their plane crashed near a small airport north capital Anchorage.