Devastating map shows danger zones where 16 teens were killed in London in 9 months including girl, 15, knifed on bus

A DEVASTATING map shows the danger zones where 16 teens have been killed in London in nine months - including a 15-year-old girl knifed on a bus today.
The schoolgirl was stabbed to death after reportedly intervening in a fight between a pal and her ex on the No. 60 double-decker in Croydon, south London.
She was attacked at around 8.30am and died at the scene at 9.21am - shortly before her parents arrived to say their final goodbye.
The boy is said to have pulled out a foot-long, serrated zombie knife and stabbed the victim when she leapt to her pal’s defence.
A 17-year-old boy, believed to be known to the victim, was arrested in New Addington and remains in custody, the Metropolitan Police said.
The girl is the sixteenth teen murdered in London so far this year - including two other 15-year-olds.
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Tiffany Regis, 15, died in a suspected arson at a block of flats in Beckton, east London in April.
A 16-year-old boy was arrested and bailed on suspicion of her murder, with five other people injured in the suspected arson.
Cops were not immediately able to formally identify Tiffany following her death from smoke inhalation.
15-year-old Leonardo Reid was stabbed to death in an alleged double murder during a rap video shoot in Archway, north London.
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The youngster was found with stab wounds at around 11.30pm on July 4 and pronounced dead at the scene shortly after midnight.
Klevi Shekaj, 23, was taken to hospital with stab wounds - where he was also pronounced dead.
After the horrific murder of the schoolgirl in Croydon today, Chief Superintendent Andy Brittain said: "Our immediate thoughts are with this young girl's family who are facing the most tragic of news.
"Our officers are with the girl's family to support them.
"I am in contact with the local community, who are clearly as concerned as we are about this tragic incident.
"I shall continue to update them throughout the day."
Mr Brittain added: "My officers were immediately on scene to provide first aid and support paramedics.
"Acting on information provided to them, officers also worked closely with colleagues from across the Met and the British Transport Police to track a teenager in connection with the stabbing.
"I can confirm that an arrest was made at about 9.45am in the Croydon area.
"At this early stage we believe that he may have known her.
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"A crime scene will be in place for some time, and I am grateful for the co-operation of residents."
He added officers "carried out urgent enquiries to find the suspect" and "within 75 minutes a 17-year-old boy was arrested in New Addington".