Police are on the hunt for four men whose car ploughed into a jewellery store in Botkyrka on Monday.
The men left on foot after failing to break the glass and get inside.
"They ran away from the scene and jumped into a black car that was waiting for them," Sven-Erik Olsson of the Stockholm police told the TT news agency.
Police suspect the offenders have already changed car.
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The men were armed with crowbars, police added, but were otherwise unarmed.