Matthias Poleon was shot as he left his home in Balham on Thursday (Image: Met Police)
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A man who was shot dead on his doorstep as he left his home in London has been named by police.
Matthias Pleon, 27, suffered a fatal gunshot wound to his chest shortly before 11pm on Thursday in Balham, South London.
A manhunt has been launched for his killers, who are believed to have sped off in a silver car.
In a statement today the detective leading the investigation branded it a "needless" loss of life and appealed for anyone with information to come forward.
Two suspects wearing facemasks opened fire before leaving Matthias for dead in the doorway.
A murder probe has been opened following the shooting
Friends and passers-by rushed to his aid, but were unable to save his life, police said.
A postmortem yesterday found that a gunshot wound to the chest was the cause of death.
Detective Chief Inspector Katherine Goodwin said: "Matthias was leaving his home address when he was set upon without warning by at two suspects wearing facemasks who fired at him and and then fled the scene in a silver hatchback vehicle – possibly a Peugeot, or a VW Golf – in the direction of Balham town centre.
"I implore anyone who saw a suspicious vehicle in the area around of the time of the incident to contact us. Matthias was horrifically and brutally shot at his front door and left to die in the doorway.
"His friends and members of the public came to his aid in a bid to save his life, but his injuries were too great."
Appealing for information which can help catch the killers, she continued: "The people responsible for this needless loss of life are violent criminals and must be apprehended.
Police have appealed for information to help trace the killers
"If you have dash cam footage, doorbell footage, or saw anything that you think might assist police, you must tell us; the slightest piece of information could prove crucial in helping us catch two dangerous offenders who have access to a firearm.
"Matthias' family are at the beginning of an incredible ordeal. Think of their grieving, think of their suffering, and please do the right thing and tell police what you know. Crimestoppers is a 100% anonymous method if you do not want to speak to police directly. What matters most is that you make the call."
Police were called at around 10:50pm to reports of a man suffering gunshot injuries in Bedford Hill.
Matthias was taken to hospital, but was pronounced dead at 11.36pm.
Anyone with information is asked to call the incident room on 02087858244 or tweet @MetCC and quote CAD8915/17June .
Alternatively, you can contact the independent charity Crimestoppers anonymously on 0800 555 111 or visit crimestoppers-uk.org.