Residents in Grangemouth have been reassured by police that the sound of an 'explosion' on Monday evening was actually a firework.
Worried locals had reported the sound of a blast at around 8:15pm on Monday September, 20, after a huge bang caused home windows to vibrate in the Westerton Road and Strowan Road areas.
Police have confirmed a rocket was thrown in the direction of Calor Gas, within Abbotsinch Industrial Estate.
An investigation has been launched into the incident which is being treated as reckless conduct
Officers carried out door-to-door enquiries in recent days and discovered the item was let off in Inchyra Park.
No arrests have been made at this stage.
One person posted on Facebook: "WTF was that noise, it was like an explosion, my windows actually rattled."
Another said: "That was some bang there, I felt the vibration go through me."
A Police Scotland spokesperson said: "Around 9pm on Monday, 20 September, 2021, a firework was let off in the Inchyra Park area of Grangemouth.
"The firework landed within the Abbotsinch Industrial Estate in Grangemouth.
"No-one was injured as a result of the incident and police enquiries continue."