Speaking to ORF radio, Stocker said officials aimed to set stricter eligibility rules for possession and purchase of arms after a 21-year-old Austrian man on Tuesday shot dead ten people at a high school in the city of Graz before killing himself.

Abandoned plans for a bomb attack have been found at the home of the suspected gunman in a school shooting in Austria, police have said. Police in the south-eastern city of Graz also found a non-functional pipe bomb, and a "farewell" letter and video during the search, they said in a statement.