Your daily 6: Eruption threats roll on, grandpa suspect in Australia murders and $1 million tennis match?

Your daily 6: Eruption threats roll on, grandpa suspect in Australia murders and $1 million tennis match?  STLtoday.com Grandfather suspected in Australia mass shooting  ABC News Pro-Gun Activists Are Using Australia's Latest Shooting To Mock The Country's Gun Laws  BuzzFeed News Susie O'Brien on Margaret River shooting: Worst threats are sometimes close to home  Herald SunFull coverage