Police are investigating after a firework was used to explode a postbox in Longwestgate.
The incident happened on October 23 just after 8pm.
A North Yorkshire Police spokesman said: “This was an extremely dangerous act that could have resulted in the offenders or a passing member of the public being seriously injured. We urge anyone who has any information about who was responsible, to contact the police.”
Anyone with any information is asked to call North Yorkshire Police on 101, select option two and ask for Scarborough police.
If you wish to remain anonymous, you can pass information to Crimestoppers on 0800 555 111.
Quote reference number 12160192999 when passing on information.