A suspicious device at Magherafelt was sparked by an elaborate hoax.
It is understood the object was found in a ditch at the junction of Tobermore Road with Hospital Road earlier this morning, causing disruption to motorists.
“ATO have finished at the scene and the object has been declared an elaborate hoax,” said a PSNI spokesperson.
Detectives are keen to hear from anyone who saw suspicious activity in the Tobermore Road area of the town prior to the discovery of a suspicious object on Thursday shortly before 9.30am.
The number with any information to call is 0845 600 8000, or Crimestoppers on 0800 555 111.