One dead, five injured in a knife attack in Central London
The police suggested that the attacker may be mentally unstable but haven't ruled out terror links as a potential motive behind the London knife attack.

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A body is removed from the scene in Russell Square, central London, after a knife attack on Thursday, 4 August, 2016. A woman has died and others were injured in a knife attack in a central part of London, the police said. AP

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A police forensic officer works at the scene in Russell Square, central London, after a knife attack, on Thursday. Following the attack, a 19-year-old man was arrested in Russell Square in the city centre where the stabbing happened, which is near the British Museum and University of London. AP

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Police forensic officers work at work in Russell Square, after a knife attack. The police suggested that the attacker may be mentally unstable but haven't ruled out terror links as a potential motive behind the attacks. AP

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The area where a knife attack happened is cordon off in London on Thursday. The police was called to Russell Square at 10.33 pm local time (2133 GMT) following reports that a man armed with a knife was attacking people. AP

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Police officers stand behind cordon tape after a knife attack. The police urged the public to remain calm, alert and vigilant. AP