A teenager is due to appear at the Old Bailey on Tuesday (August 9) charged with the murder of an American tourist in Russell Square.

Zakaria Bulhan appeared at Westminster Magistrates' Court on Saturday (August 6) accused of the murder of 64-year-old Darlene Horton.

The 19-year-old, of Robertson House, Tooting Grove, Tooting, is also charged with attempting to murder five other people in an attack on Wednesday (August 3).

Mr Bulhan, who has yet to enter a plea, was remanded in custody to appear at the Old Bailey.

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The Norwegian national of Somali origin had moved to the UK in 2002.

Ms Horton was knifed to death on Wednesday (August 3) evening during an attack in which five other people were also stabbed.

Another American, a Briton, two Australians, and an Israeli woman all suffered injuries in the attack.

They had all been discharged from hospital by Friday (August 5), except for the British man, who was stabbed in the stomach.

Flowers at the scene of the stabbings in Russell Square

He was still in hospital, where police described his condition as serious but stable.

London mayor Sadiq Khan urged Londoners to remain vigilant in the wake of the attack, and the number of officers out on London's streets was increased.

Anyone with information is asked to contact the incident room on 020 8721 4868; or, to remain anonymous, call Crimestoppers on 0800 555 111.