Residents in Hucknall town centre are being asked to check their gardens after a robbery at a house nearby.
The incident happened at just after 2am today (Friday) in Titchfield Terrace.
It is believed around six masked intruders entered a flat and threatened the two occupants before stealing laptops, phones and cash.
They left their victims, a man and woman, shaken and nursing minor injuries.
Detectives investigating the robbery are appealing for anyone in and around the area of Titchfield Terrace, High Street and Beardall Street who saw or heard anything unusual or suspicious overnight to call them.
House-to-house enquiries are being made, including searches of the surrounding area, but residents are being asked to check their gardens and driveways for items that do not belong there.
A cordon is in place while enquiries at the scene continue.
If anyone has information contact police on 101 or call Crimestoppers 0800 555 111 anonymously.