Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. December 13, 2011 4 Killed in Attack in Belgium VOA News Police stand next to evidence markers after an incident in Liege, Belgium, December 13, 2011. Photo: AP Police stand next to evidence markers after an incident in Liege, Belgium, December 13, 2011. Four people have been killed and some 75 others wounded in an attack carried out by a gunman in the eastern Belgian city of Liege. Belgian officials say the gunman lobbed hand grenades and fired from a rifle at a bus stop in Saint Lambert Square, a busy shopping area in Liege. Authorities identified the attacker as Nordine Amrani, who has been convicted in the past of drug and illegal arms possession, among other crimes. He was among the four people killed, with witnesses saying he committed suicide. Map of Belgium VOA Map of Belgium Authorities have not explained his motive for the attack, but say he had been summoned for police questioning. After the attack, police sealed off the area as emergency rescue teams responded to help the victims. Some information for this report was provided by AP, AFP and Reuters. .