Those are the words of Swedish Prime Minister Ulf Kristersson, following what he described as the worst mass shooting in the country's history, with around 10 people killed. The shooting took place at an adult education centre - located on a campus with other schools - in the central city of Orebro at around 12:30 (11:30 GMT).

Everything we know so far about campus attack which left 11 dead - Sweden’s prime minister said the attack at the Risbergska School was the worst mass shooting in country’s history

Swedish Prime Minister Ulf Kristersson and King Carl XVI Gustav have led tributes to the victims of a deadly shooting at an adult school in the city of Orebro. A police investigation is underway.