One of the Maclaren pushchairs being recalled by the firm

Pushchair-maker Maclaren USA has announced a recall of 1m pushchairs in the US after a dozen children had their fingertips amputated in the hinge.

The amputations happened when children placed their finger in the hinge while the pushchair, or stroller, was being unfolded.

The recall involves all Maclaren single and double umbrella pushchairs.

The firm has urged consumers to stop using the pushchairs immediately and to contact it for a repair kit.

Patty Davis of the US Consumer Product Safety Commission (CPSC) said the organisation had received a total of 15 reports of injuries to children's fingers.

Twelve of those had resulted in the amputation of fingertips.

She said Maclaren had co-operated with the investigation the CPSC had launched.

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The models involved include Volo, Triumph, Quest Sport, Quest Mod, Techno XT, Techno XLR, Twin Triumph, Twin Techno and Easy Traveller.

The company stressed that models sold in the UK were not affected.

"The most important thing for parents and care-givers to remember is to get the repair kit immediately. Do not use the stroller unless you get the repair kit in place first," Ms Davis said.

She said the free repair kit provided hinge covers for each side of the pushchair, which would restrict access to the hinges.

The pushchair will remain fully functional with the hinge covers attached.

On its website, Maclaren stressed that safety remained its top priority and urged consumers to contact the firm immediately to obtain the repair kit.