Police are appealing for witnesses following a suspicious fire in Dumbarton.
Officers received a report of a blaze in Cumbrae Crescent North at around 11.25pm on Tuesday, May 31.
Emergency services attended and found a mattress within a close which had been set on fire.
No-one was injured in the incident, however, police are treating the fire as wilful.
Detective Constable Angela Tipping said: “I am appealing to anyone who may have seen or heard something suspicious to get in touch with any information they may have.
“Thankfully, no-one was injured but it’s imperative we trace whoever is responsible.”
Anyone with information is asked to call Police Scotland via 101, quoting incident number 3991.
Alternatively, call Crimestoppers on 0800 555 111 where you can give your information anonymously.