Emergency services were called to the Edinburgh office of video game developer Rockstar North after reports of an explosion in the building.
The Scottish Fire and Rescue Service went to the property on Holyrood Road at about 05:00 on Monday.
A spokesperson said firefighters had been called out to deal with structural damage at the building following an incident on Sunday.
Six fire engines went to the scene, but crews were stood down at 09:21. Rockstar North has been approached for comment.
