A US mother charged with murdering two of her young children has lost her fight to avoid extradition from the UK.

Kimberlee Singler’s nine-year-old daughter and seven-year-old son were found dead in a residential property in Colorado after being shot in the head and stabbed in the neck in December 2023, police said.

Singler’s 11-year-old daughter was also at the scene with an injury after she was slashed with a knife, officers added.

Prosecutors alleged Singler carried out the attacks in Colorado Springs amid a protracted custody battle with her ex-partner.

Despite initially co-operating with the investigation, Singler reportedly disappeared on 23 December 2023 and a warrant was issued for her arrest on murder charges.

She was arrested by the National Crime Agency in Kensington, west London, on 30 December 2023 and appeared at Westminster Magistrates’ Court on New Year’s Day facing extradition to the United States.

She has been charged with two counts of first-degree murder, one count of attempted murder, three counts of child abuse and one count of assault.

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