A firework was pushed through the letterbox of a house in Cookstown.
Slight damage was caused to the door and an indoor curtain of the property in Fortview Terrace.
It happened on Saturday (November 5) at around 5:30pm.
No one was injured.
Police are appealing to anyone who may have noticed any suspicious activity in the area to contact them in Magherafelt.
Man arrested over threats to elected representatives
Teachers’ unions welcome pay increase while pledging to tackle workload
Minister to explore if he can enforce use of Ulster Banner at Commonwealth Games
Domestic abuse calls to police climb over Christmas and New Year