FRANKFURT, July 19, 2016 (Xinhua) -- Firefighters work at the site of an attack near Wuerzburg in the southern German state of Bavaria, on July 19, 2016. An axe wielding man wounded four passengers in a late Monday night attack on a regional train near Wuerzburg, local police confirmed. The attacker was shot dead by the police, said a spokesperson for the Bavarian Interior Ministry, adding that he appeared to have acted alone. (Xinhua/Luo Huanhuan)