CNN reports that a man with a handgun opened fire in a lecture hall in the University of Heidelberg in southwestern Germany, At least four people were wounded in the shooting. Police forces have secured the scene. The gunman was reported dead of unknown causes. Related articles: Teen injured in Dallas high school shooting Teen kills teacher and another student in Wisconsin School shooter motivated by Palestinian genocide and oppresion Four killed in shooting at high school outside Atlanta The exact number of individuals injured, as well as a motive for the attack, are not yet known. Manheim police say that a large-scale operation involving police and other emergency services is currently underway in the area.