Three people, including a gunman, have been killed and at least two others wounded in a shooting at a shopping centre in Missouri, US police say.The incident at the crowded Ward Parkway centre in Kansas City happened just before 1600 (1900 GMT) on Sunday.The gunman shot two people dead at the centre's car park, before wounding two others inside the main building.The assailant was later found dead, but it was not immediately clear if he was shot by police.Police are also investigating whether an earlier killing at a house not far away from the centre and also a shooting in which a policeman was injured involved the gunman.The gunman's identity was not immediately released.
