A man has been critically injured following an explosion in Central Park.
The victim is believed to have had part of his leg blown off when he stepped on something as he was climbing rocks with friends.
He was seen being treated at the scene with his bloodied foot heavily bandage in New York's historic landmark.
The blast was close to where the funeral for Holocaust survivor and Nobel winner Eli Wiesel was taking place on Sunday morning.
A man's leg has been partly blown off after an explosion in Central Park. He is seen being treated inside New York's historic landmarks
He is seen be taken away on a stretcher by paramedics on the scene. The NYPD is now investigating what caused the blast
The blast was close to where the funeral for Holocaust survivor and Nobel winner Eli Wiesel was taking place on Sunday morning
First responders are seen wheeling a stretcher into the area where the blast took place. Witnesses say he was climbing on rocks when he stepped on an explosive device
There is nothing to suggest the blast was related to the service.
One witness told CBS2 that the man was walking on a rock when something exploded.
Three young men from the Washington D.C. area are believed to have been involved.
New York Times reporter Sarah Maslin Nir tweeted: 'Outside Eli Wiesel's funeral I heard a huge explosion just now. Running into Central Park and found a young man with his left leg blown off.
She later added: 'The young man is safely on his way to hospital. No official word as to what transpired. His friends said he was walking&stepped on something.
'Possible fireworks accident or other cause, no word on cause as this happened moments ago.'
The explosion occurred near the Fifth Avenue and East 62nd Street area.
It is an area heavy with tourists and a short distance away from the Central Park Zoo.
Witness John Murphy, 53, told the New York Daily News he tried to keep the young man conscious following the explosion.
'I saw his friends standing there panicking. I saw the young man laying on the grass. His foot is all but gone.
'His friends claimed he was walking down the rocks and he stepped on it. It looks like there was an explosion'.
He said they denied that they were carrying fireworks.
The explosion occurred near the Fifth Avenue and East 62nd Street area. It is an area heavy with tourists and a short distance away from the Central Park Zoo
Paramedics are seen taking the man into the back of an ambulance near the scene
Parts of the park were closed off after the explosion. Witnesses believe the man stepped on a firework
NYPD cops are seen in a closed-off section of Central Park as they investigate the explosion
NYPD cops stand guard outside Eli Wiesel's funeral at the Fifth Avenue Synagogue