People attend a funeral ceremony of violence victims in southern Pakistani port city of Karachi on Oct. 31, 2012. At least nine people including a police constable were killed in Karachi in different firing incidents during last 12 hours. (Xinhua/Masroor)

People carry coffins during a funeral ceremony of violence victims in southern Pakistani port city of Karachi on Oct. 31, 2012. At least nine people including a police constable were killed in Karachi in different firing incidents during last 12 hours. (Xinhua/Masroor) 

People carry coffins during a funeral ceremony of violence victims in southern Pakistani port city of Karachi on Oct. 31, 2012. At least nine people including a police constable were killed in Karachi in different firing incidents during last 12 hours. (Xinhua/Masroor)

People carry coffins during a funeral ceremony of violence victims in southern Pakistani port city of Karachi on Oct. 31, 2012. At least nine people including a police constable were killed in Karachi in different firing incidents during last 12 hours. (Xinhua/Masroor)

People attend a funeral ceremony of violence victims in southern Pakistani port city of Karachi on Oct. 31, 2012. At least nine people including a police constable were killed in Karachi in different firing incidents during last 12 hours. (Xinhua/Masroor)