knife attack
“I know you’ve moved here, I hope it burns down,” the attacker screamed outside the London home of Cumberbatch and his family.
The attacker, identified as a 24-year-old man, was arrested on the spot and was being investigated on suspicion of attempted murder, NHK said.
The motive remains unknown.
The attacker, a 39-year-old woman, was taken in custody and no motive for the assault was released.
WHAT'S HAPPENING
The Islamic State claimed responsibility.
He suffered brain trauma.
Two girls are also in serious condition after Saturday's attack.
Police say a 27-year-old man injured six passengers, including a young child.
Police said they are investigating whether there was an Islamist motive to the attack.
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