Authorities report gun-related incidents in Kansas, California, Mississippi, New Jersey, Ohio, Mississippi, Michigan and IllinoisIncidents of gun violence across the US, leading to deaths, woundings and arrests, continued to be reported on Sunday and Monday while the nation's attention remained on Newtown, Connecticut, where 20 young children and six adults were killed by a gunman on Friday.A Twitter account, @GunDeaths, is attempting to catalogue "every gun death in North America regardless of cause and without comment".