15-year-old arrested in connection with knife attack at German festival, terror motive investigated

Police in Germany say they have arrested a 15-year-old boy in connection with a deadly stabbing spree at a festival on Friday that left three people dead and eight others injured, officials said at a Saturday news conference.

The boy was detained following the horrific attack in the Fronhof, a market square in Solingen which is located near Cologne and Duesseldorf in the west of the country.

Police say he was suspected of knowing about the planned attack and failed to inform authorities...