Three women and a seven-year-old girl were rushed to hospital after being injured in a shooting close to a church in central London.
The incident happened close to St Aloysius R.C. Church in Phoenix Road, in Euston, just before 1.30pm on Saturday, where a funeral was taking place.
Police and ambulance crew rushed to the scene after being alerted by the public.
The women, aged 54,48 and 41 and the girl are being treated for their injuries in a central London hospital.
The Met police said the 48-year-old has suffered potentially life changing injuries.
The condition of the other two adults is said to be not life-threatening.
There is currently no information about the injuries sustained by the the seven-year-old.
A witness, who claimed to have been at the church at the time of the attack, recounted the horrifying ordeal.
They told MyLondon: “It was chaos. It was horrible.
“No one knew if it was a bomb or gunman. We were looking for places to hide.
“We all just snuggled into corners where we could.
“We left after about 10 minutes, I did not dare [leave before]. It was not nice.”
In a statement posted to their website, the Met Police said: “At 13:29hrs on Saturday, 14 January, police were called to reports of a shooting in Phoenix Road, NW1.
“Officers responded with medics from the London Ambulance Service and London’s Air Ambulance.
“Three women – aged 48, 54 and 41 – were taken to a central London hospital.
“Their injuries have been assessed as non-life threatening. The 48-year-old has potentially life changing injuries.
“At 14:05hrs, police were informed that a seven-year-old girl had been taken to a central London hospital with injuries that are believed to have been sustained in the same incident.
“We await an update on her condition. There is a significant police presence in the area.
“An urgent investigation is under way and details of the incident are still emerging.
“At this early stage there have been no arrests.
The incident took place in the vicinity of a church where a funeral was taking place.
“Initial enquiries suggest the shots were fired from a moving vehicle which was then driven away from the scene.
“Anyone who witnessed the incident or who has information about what took place should call 101, giving the reference 3357/14JAN.
“Information can also be provided to Crimestoppers, anonymously, on 0800 555 111.”