Police have said 11 people have been killed after a gunman opened fire at an adult education centre in Örebro, Sweden.Armed police were scrambled to Risbergska School at lunchtime on Tuesday as terrified students hid under their desks and barricaded themselves in classrooms.

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).

Police were alerted to a shooting at a school in Sweden just after noon local time on Tuesday, Feb. 4, according to multiple outlets. At least five people have been confirmed shot and the public has been warned to avoid the area,