Police are probing an alleged assault at Perth bus station.
The depot was locked down by investigators in the early hours of Friday morning.
A force spokesman said: “Police Scotland is investigating an alleged assault which happened at Perth Bus Station about 3:50am this morning.
“Officers are following a positive line of enquiry and there is no threat to the public.”
He added: “There has been a police presence at the bus station for some time to allow investigative work to proceed, but this has been completed and the station is now fully re-opened.”