A 19-year old man has been arrested after the London knife attack and mental health can have played a role in the attack, police said, Sputnik reported.
Counter terrorism police are still involved in the investigation, police said at a briefing, as cited by The Telegraph.
The Wednesday night attack led to the death of a woman who was in her 60s, police confirmed. Fife people were injured (one woman and four men), their condition has not been specified.