'It's just horrifying': Seven killed in Australia's deadliest mass shooting in 22 years

'It's just horrifying': Seven killed in Australia's deadliest mass shooting in 22 years  Washington Post 7 dead including 4 children in Australia's worst mass shooting in 22 years  ABC News Margaret River deaths: Seven people found dead in Western Australia  BBC News Four children, three adults found dead in 'mass tragedy' in Western Australia  NEWS.com.auFull coverage