The reason is a power failure between Malmö and Hyllie. The disruptions have been ongoing since 21:00 on Tuesday evening, but are expected to be rectified by 07:00.
Some trains are being diverted via other railways.

There are disruptions in train traffic between Malmö and Copenhagen on Wednesday morning, writes the Swedish Transport Administration on its website.
The reason is a power failure between Malmö and Hyllie. The disruptions have been ongoing since 21:00 on Tuesday evening, but are expected to be rectified by 07:00.
Some trains are being diverted via other railways.