Police are investigating a wilful fire-raising at a flat in Dumbarton.
Detectives are appealing for information after following the suspicious fire on Cumbrae Crescent North.
The incident occurred at around 11.25pm on Tuesday, 31 May in a common close.
Emergency services attended and found a mattress within a close which had been set on fire.
Sign up to Glasgow Live newsletters for more headlines straight to your inbox
No-one was injured in the incident, however, police say it is "imperative" they trace whoever is responsible.
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, please call Crimestoppers on 0800 555 111 where you can give your information anonymously.
