Two suspects were arrested, said police, who warned that others may have fled the scene.
A man has been arrested after injuring five people with an axe at Duesseldorf's main train station, police say, correcting earlier reports of two people being detained.
A police spokesman said more suspected attackers are believed to be at large.
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The National Transportation Safety Board says the freight train was traveling at about 19 miles per hour at time of the collision. The charter bus trip to Mississippi's coast began in Austin, Texas.
"I helped her wound and called her father", she said.
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When I went over to him and he said it, I already knew, I heard it crack", he added after the Cavaliers' 106-98 defeat. Before the game, Bogut was in a playful mood as he discussed his choice to join the Cavs.
A passenger on a Dusseldorf bound train, Bruno Macedo, tweeted: "Breaking: Man with axe chased by police in Dusseldorf".
He added: "Stay away from #Dusseldorf train station insane man with #axe on the lose".
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McIlroy is bidding to join Tiger Woods (18), Johnson (3) and Geoff Ogilvy (3) as the only players with three or more wins in World Golf Championships events.