The incident happened in Kingston Road, Buckland, at around 10.17pm yesterday.
A crew from Southsea fire station attended the scene.
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A spokeswoman for Hampshire Fire and Rescue said: ‘Firefighters from Southsea were called to a care home in Kingston Road, Portsmouth, at 22:17 to assist with the removal of a ring.
‘They left shortly after 22:30.’
Southsea fire station added via Twitter: ‘22.15 P6 mobilised person trapped * minor* ring removed by crew.’
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