A small explosion rocked Thursday morning a technical school in the town of Hässleholm in northern Skåne.

A man in the 20’s are arrested in the case, which is currently treated as a possible terrorist attack.

It writes Aftonbladet.

the Explosion occurred at 8.44, and the school was immediately after evacuated.

According to Aftonbladet the school was filled with smoke after the explosion, but no persons reported injured in the incident. A large area of the school has been cordoned off subsequent.

We stood outside the school, but we heard from other students that there had been an explosion. We were asked to leave the area, and we subsequently cops armed with sub-machine guns go up against the school, says the pupil Oliver Åberg to Aftonbladet.

Photo: 50090 Johan Nilsson/TT/Ritzau Scanpix

the Police informs at a news conference that the arrest of the suspect was quiet.

– made a person, and in connection with the school, the person may be arrested, relatively undramatic, says områdechefen for lokalpolitiet, Per the stone walls.

He said according to Expressen, that it is presumed that the explosion was a deliberate act.

– an explosive load greater was to harm people, says Per the stone walls.

He does not want to comment on whether the arrested person was a student at the school.

Photo: 50090 Johan Nilsson/TT/Ritzau Scanpix

Large parts of the school are still blocked, while the police are trying to determine whether there are more explosives on the school.