Police and paramedics descended on an Aberdeen city centre hotel early on Monday evening.
Two police vans and two police cars, with flashing lights, were seen arriving at the city centre Premier Inn at about 5.30pm.
Officers could be seen inside speaking to staff at the hotel on West North Street.
The ambulance was parked around the corner on Mealmarket Street.
By 8pm the emergency services had left the city centre hotel.
Guests leaving the venue at teatime appeared unaware of the incident.