A Murray Bridge woman has been arrested after a grenade and stolen goods were discovered at a house in Adelaide.

Police spotted a stolen Audi in the driveway of a home at Para Hills around 4.30am on Tuesday.

Officers had been looking for the SUV after it was used in a break-in at Andrews Farm on Monday.

Upon searching the home, they allegedly found the grenade and “a large amount of property” they believed had been stolen.

Three people present at the house – including the Murray Bridge woman, 34 – were arrested and charged with theft and possession of an explosive.

They were denied bail.

Police warn about recent break-ins in Murray Bridge

Police are warning Murray Bridge residents to be vigilant after a recent spate of break-ins and thefts.

Three were reported on the night of Monday, February 8:

• Golf clubs were stolen from a car on Gray Street sometime after 7pm

• Bins were moved inside an unlocked shed on the same street, and a screen door left open, sometime after 10pm

• A pad bolt on a shed on Ida Street was broken open sometime after 11pm

An alarm had been activated at the sales office on a building site on Maurice Road two nights earlier, but the perpetrator was unable to get in.

Police advised anyone to report suspicious activity by calling 131 444, or to report information about any of the break-ins to Crime Stoppers on 1800 333 000 or at www.crimestopperssa.com.au.

Car thief apprehended on Myall Avenue

A Murray Bridge man has been arrested after the car he was travelling in was found to have been stolen.

Police pulled over the grey Mazda sedan on Myall Avenue at 3.30am on Thursday.

Upon checking, they found that the car's numberplates belonged to another vehicle, and that it had been reported stolen in western Adelaide in January.

The numberplates had come from a car associated with the passenger in the Mazda, a 38-year-old local man.

Officers arrested him and changed him with illegal use of a motor vehicle.

He was granted bail ahead of an appearance at Murray Bridge Magistrates' Court on March 22.

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