All Swedish schools and pre-schools will have to make plans to keep unauthorised people off their premises, the government said on Wednesday, as the country tries to come to terms with the worst school shooting in its history last week.

How Sweden’s worst mass shooting unfolded at a small town school - and why police have ‘no clear motive’ one week on - IN FOCUS: As Sweden falls silent for the victims of the Orebro killings their families are still waiting for answers,

One day after the killings at an adult educational center, some gathered to lay flowers and come to grips with the violence.

Government offices, schools and workplaces fell silent in Sweden at midday on Tuesday in remembrance of the victims of a mass shooting at an adult education centre last week when a gunman killed 10 people before turning his weapon on himself.

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

Officials in Sweden have vowed to determine why a man killed 10 people, and apparently himself, in an unprecedented attack that's shaken their "society to its core."

The shooting was at Campus Risbergska - a type of school for adults known as Komvux in Swedish, which is primarily for people who did not finish primary or secondary education. There are other schools also on the campus. Teachers have described hearing shots ring out, leading to them fleeing classrooms or barricading themselves inside.

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,

Five people have been shot at a school in Sweden as authorities warned the danger was not over while armed officers rushed to the scene. Armed police descended on the Risbergska School, an adult educational institute in the city of Örebro some 200 km (125 miles) west of Stockholm on Tuesday.

Sweden’s right-wing government said on Friday it would seek to tighten gun laws in the wake of the country’s deadliest mass shooting at an adult education center where the attacker appeared to have used several of his own licensed rifles.