Update 2017-07-25: According to latest media reports from Tuesday evening (25 July, local time), the perpetrator were arrested by security forces near the city of Zurich.
On Monday (24 July) at least five people were injured in a suspected rampage using a chainsaw in the inner city of Schaffhausen. An operation by security forces is ongoing, the inner city has been cordoned off. The assailant has not yet been caught.
Heightened security measures and local traffic disruptions are to be expected. Travellers should proceed with caution and follow instructions by local authorities.
SRF, Focus Online