Swiss police on Monday arrested a suspect in the weekend shooting at a rave in the Swiss town of Aarau, where an Italian woman was killed and several others were injured.
Local police had said the incident could have been an act of terrorism, but that other motives were also being considered.
Authorities said that the suspect was a Swiss national, and that they believe he acted alone.
What do we know about the arrest made?
"Investigations into the exact circumstances of the incident, as well as its background and possible motive, are currently underway. At this stage, it is assumed that a single perpetrator was involved," police in the canton of Aargau said in a statement.
