Long-standing social democrat Christer Lindvall now represents the moderates in Umeå municipality.

Difficult for voters to understand

Political scientist Sofie Blombäck researches municipal politics and tells us that party changes are made more often within blocs than between them.

- It is not something that is done lightly, says Sofie Blombäck.

In the clip, the political scientist tells more about how party changes affect the credibility of elected officials.