A 19-year-old man has been arrested after an alleged disturbance involving a knife on a bus in Alyth.
Police were called to Market Square in the Perthshire town on Sunday night after receiving reports of a disturbance.
It is understood a knife was involved in the incident, however, there were no injuries.
Locals told of seeing a large number of emergency services at the scene.
An investigation into the incident is ongoing.
A Police Scotland spokesperson said: “Around 9.25pm on Sunday, officers received a report of a disturbance on a bus in the Market Square area of Alyth.
“A 19-year-old man has been arrested in connection and inquiries are ongoing.”
A spokesperson for Stagecoach East Scotland said “We can confirm there was an incident on one of our services in Alyth on Sunday evening.
“The safety of our customers and staff is our highest priority and we will conduct a thorough investigation into the full circumstances as well as assisting the police with their inquiries.”