Police and medics found 37-year-old woman and five-year-old boy in Brookside South, Barnet, 13:37. on Tuesday, but could not save them.
Homicide detectives continue to question the 37-year-old who was arrested on suspicion of murder. He is known to the Chinese family.
mother 15th woman killed in Act of violence in London so far in 2022 – third of 46 murders under investigation by the Met, British Transport and City of London police.
Ratio higher than at the same time last yearwhen 13 out of 58 of the victims were women.
forensic experts on Wednesday trawl for hints and requested doorbell camera and CCTV footage in rich street where homes lift up of £800,000.
One neighbor said: “They seemed like perfect family.
“We saw how the mother took her two boys to the local school every day. She always smiled and we just can’t believe what happened.
“It’s a very quiet area. first I knew of what happened was air ambulance nearby. We are all horrified by what happened.”
Another resident added: “It nightmare – last place you could imagine that this is happening. “They are quiet family at the same time, house is nothing reprehensible at all.
Third added: “They are so low key people in what house you wouldn’t know They were there. They are extremely private The children were in local schools. We are devastated that this happened. on our community”.
BUT mother-of- two said that death left her sense of fear.
Becky, 39 years old who not give her last name, said of her neighbors: “Oh my God, this just shocking, it’s true.
“Yes, I knew, family is a pleasant, quiet Chinese family, from China. I bad with names.
“I mother of two girls of the same age (injured child), they have never played, but they have met them before.
“I’ve cried so much before in especially when I heard that a child was involved, it was terrible.”
Mother-of-two Rumman Chowdhury, 37, said: “I don’t know them, it’s definitely very sad, it’s embarrassing.
“I can’t believe it, it’s incredible.
“His scary and it’s sad, because this morning everything was fine, and suddenly it happened.
Chief Superintendent Sara Leach, Met north commander of the western police, said: “All community will be shocked and saddened to hear of this terrible incident.
“Our thoughts with in family and friends of woman and child who died and also with officers and paramedics who we first to arrive in what was an incredibly difficult scene.
“Specialized detectives are working to establish that took place and a man in guarded.
“Although they are open minded about what happened place I would like to reassure the residents in local area that at this stage there is nothing to indicate that anyone was still involved in this incident.
“I would call anyone who saw or heard something unusual earlier today, or in the last days to come forward and talk to the police. Your information may be vital, as the investigation moves forward”.
Information may call police on 101, citing reference 3590/21JUN, or Crimestoppers anonymously on 0800 555 111.