Residents of Graz gathered for a mass and a candle lit vigil to mourn the 11 victims who were killed after a former pupil opened fire in a school. View on euronews

Austria to observe three days of mourning after a 21-year-old attacker kills at least 10 people at a school in Graz.

Officials will set stricter eligibility rules for possession and purchase of arms, Chancellor Christian Stocker said.