Police Investigating the Russell Square attack on Wednesday 3rd August continue to question a 19-year-old Norwegian national of Somali ancestry.
He was arrested after police received a calls from members of the public saying a man was attacking people with a knife.
Within six minutes, armed officers were in attendance.
The suspect, who was armed with a knife, was Tasered and detained.
No shots were fired during the incident.
Sadly a female American national was pronounced dead at the scene she has been named as 64-year-old Darlene Horton.
Specially trained police liaison officers have been deployed to her family.
A post-mortem examination will take place on Friday, 5 August, at St Pancras Mortuary.
Five other people were injured during the incident.
A male British national, who suffered a stab wound to his stomach, remains in hospital at this time. His condition is described as serious but stable.
Four other people were discharged from hospital today, Thursday 4 August.
– A male American national, who suffered a stab wound to his chest.
– A female Australian national, who suffered a stab wound to her back.
– A male Australian national, who suffered a stab wound to his chest.
– A female Israeli national, who suffered a stab wound to her bicep.
The murder investigation is being led by detectives from the Homicide and Major Crime Command.
Officers have searched an address in north London today and will search another in south London.
The number of officers out on the streets has been increased and that will continue for as long as needed.
Anyone with information is asked to contact the incident room on 020 8721 4868; or, to remain anonymous, call Crimestoppers on 0800 555 111.