Authorities allegedly investigating Ohio attacker as 'self-radicalized terrorist'
The assailant was an 18-year-old immigrant from Somalia and a lawful permanent resident of the United States.
Police keep the roads closed around Watts Hall following an attack on the campus of the Ohio State University on November 28, 2016 in Columbus, Ohio(photo credit: KIRK IRWIN / GETTY IMAGES NORTH AMERICA / AFP)ByREUTERSUpdated: