On the night of Tuesday, an explosion was carried out in Ronna in Södertälje where, according to information to SVT, an employee of Sis, the State Board of Institutions, was the target.
Christer Johansson is security director at Sis.
– We take this very seriously, he says. Of course we take measures and we have good contact with the police.
Hear him in the video above.
Two people were arrested on Friday on suspicion of involvement in the explosion.