Police are investigating an arson attack on a children's nursery and pre-school in Poole.
The incident, which an officer described as a "reckless act", is reported to have happened at Sunbeams and Buddies Day Care, in Upper Parkstone on Sunday 14 April.
Firefighters were called to the scene following reports of flames being seen in the nursery's playground area at around 9:55pm on that day.
Officers say the perpetrators had gained access to the site and set fire to play equipment causing significant damage.
Dorset Police are appealing for information from anyone who may have seen the incident.