The playground is near the city center of Annecy, France.
PARIS and LONDON -- Eight people, including children, were injured in a stabbing in a town in the French Alps on Thursday morning, local authorities said.
The attack took place at about 9:45 a.m. local time, in Annecy's city center, a spokesperson for the local prefecture told ABC News.
A suspect was arrested immediately and is currently in police custody, the spokesperson said.
A file photos shows a view of the lake of Annecy, France, on Sept. 10, 2010. The Alpine town is about 20 miles south of Geneva, Switzerland.
Lionel Cironneau/AP
"Several people including children have been injured by an individual armed with a knife in a square in Annecy," French Interior Minister Gerald Darmanin said on Twitter.
The local prefecture said it had not yet released the health status or ages of the victims.
This is a developing story. Please check back for updates.
ABC News' Guy Davies contributed to this story.