One assailant with a knife attacked indiscriminately on the streets of London in the UK.

A woman was killed and five others were injured in the incident, he said.
According to BBC News, Russell Square, London time, on Wednesday took place at ten o'clock at night.
Police arrested a man on suspicion of involvement 10pm, was 39 minutes. Police arrest  using music. Initially it may be a terrorist attack, according to London's Metropolitan Police.
The area around the massive police operation has been started. Checkpoints have been set up tents. Witnesses told police the incident, highlighting the details.