How many people were arrested?
four
By who?
Swedish SWAT
Who helped them?
local police
Why the arrest?
suspicion of plotting terror attacks
Who spoke for the police?
Swedish Security Service
Who was the spokesperson for them?
Sara Kvarnstrom
What is the concern threshold in Sweden?
currently at 3
Should citizens be worried?
no
What location was cleared of citizens?
An art gallery
When?
shortly before midnight
Why were the citizens there?
For a party