The private person alerted the police, who in turn contacted the Armed Forces.

On Wednesday afternoon, scuba divers carried out the work of blasting up the mine, which was of model EMA, something that Nynäshamnsposten was the first to report on.

- It looked like a classic mine and was German.

It had been shot down during World War II, but we will now have to examine the remains more carefully, says Melina Westerberg, who is head of communications at the Fourth Naval Battle Squadron.

Thousands of mines in the Baltic Sea

This is the second time this year that scuba divers have been allowed to blow up a mine in Swedish waters. The second time took place outside Härnösand earlier this year. During the two world wars, 170,000 mines were felled in the Baltic Sea and the North Sea. Of these, 50,000 remain in the oceans. From time to time they appear after tearing themselves from their anchorage. The countries around the Baltic Sea regularly cooperate in searching areas and disarming mines.