The Metropolitan Police have confirmed that up to six people were injured in the incident at Russell Square at around 10.30pm on Wednesday night.
A statement said a woman was treated at the scene but was pronounced dead a short time later.
A man has been arrested and police say a Taser was discharged by one of the arresting officers.
The police statement said: “Terrorism is one possibility being explored at this stage.”
A caller to BBC Radio London named Paul said he had been to the Bloomsbury cinema with his girlfriend when he came across the scene.
Mass stabbing in central London leaves woman dead and six injured - VIDEO
04 August 2016
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A woman has been killed and up to six people have been injured in a mass stabbing in the center of London, the Guardian reported.
