Essex beach tragedy LIVE: Boy, 7, 'critically ill' after London mother and daughter, 15, drown in sea rescue bid

A seven-year-old boy is reported to be critically ill after a family beach tragedy claimed the life of a London mother and her teenage daughter.Shally Rahman, 42, and 15-year-old Samiha died trying to rescue the boy who got into trouble in water off a beach in West Mersea, Essex, on Wednesday evening. Emergency services were called to the beach in West Mersea shortly after 5.30pm amid reports that several people had got into trouble in the water amid high tides. A younger child, said to be a cousin of Samiha, remained in hospital overnight. Two more people were also in hospital with non-life threatening injuries. It is understood that the family, who are of Bangladeshi heritage, were visiting West Mersea from their home in east London. The victims have been named as Shally Rahman, 42, and daughter Samiha Rahman, 15. Follow the latest updates below...Labour MP shares touching tribute to 'lovely family'A Labour MP, who was known to the family, shared a touching tribute following the death of Ms Shally Rahman and her daughter Samiha Rahman. Naz Shah, MP for Bradford West, told the Daily Mail: “They're a lovely, lovely family, I'm absolutely heartbroken for them, it's sent shockwaves through the community.“I just can't believe what's happened. I've spoken to the family, and I just broke down - I've got a 14-year-old myself.“I would just reiterate to people to follow water safety advice. And my thanks to the emergency services [who responded to the incident].”Naz Shah shared a touching tribute to the familyPA MediaSeven-year-old in serious conditionA seven-year-old is understood to be in a serious condition following Wednesday’s tragedy. It is believed that he is a family member, likely a cousin of SamihaEverything we know so farThe local community of West Mersea was left in shock by a tragedy that took place on the beach on Wednesday evening. The beach remained closed for most of Thursday, with local authorities still conducting enquiries. Here’s what we know so farA mother and her daughter died in a beach tragedy while on a trip to the seaside in Essex They have been named as Shally Rahman, 42, and her daughter Samiha, 15, from east London They died while trying to rescue a seven-year-old child, understood to be Samiha’s cousin at the beach in West Mersea The child is reported to be in a critical condition in hospital after being rescued from the sea Ms Rahman is reported to be the wife of Dr Monsur Rahman, the leader of Jubo Dal UK, the youth wing of BNP. Tributes have poured in since the deaths were confirmed by local authorities. A Labour MP known to the family spoke out about her shock upon hearing of the incident. Andy Burnham said he was “so sad to hear the news”, but added he did not have the details. Tributes left at West Mersea beachA number of floral tributes have been left at the scene on the beach at West Mersea.One bouquet of sunflowers has a note that reads: "For a courageous mother and a brave young girl. RIP. Love and thoughts to your family."Other flowers and trinkets have been left by members of the public, as well as members of the coastguard who have paid their respects.The scene in West Mersea, Essex (Jamie Lashmar/PA)PA WirePolice ask those with information to come forwardFollowing a statement confirming the two victims were mother and daughter, police asked anyone with information to come forward.This includes eyewitnesses and anyone who may have relevant footage.Essex Police also said that the victims’ family had asked for privacy following the tragedy.A spokesperson for the force said: “Anyone who was in the area at the time and has information or footage which may assist our investigation is asked to contact us on 101 and quote incident 1090.”Who are the London victims of the Essex beach drowning tragedy?A mother and her teenage daughter have died in a beach tragedy while on trip to the seaside in Essex.They have been named by family as Shally Rahman, 42, and her daughter Samiha 15, from east London.A seven-year-old child was in a serious condition in hospital, according to reports, after being rescued from the sea off West Mersea beach, near Colchester, Essex.You can read everything we know about the tragedy so far here: Essex Police issue statementEssex Police has issued a statement following the deaths of a woman and girl on Wednesday.Det Ch Insp Al Pitcher from Essex Police said: "My thoughts, and those of my team, are with the friends and family of the woman and girl who died yesterday.“Since yesterday we have been working to establish the circumstances which led up to this incident. At this stage we believe they were trying to help a seven-year-old boy who had got into difficulties.“The boy was taken to hospital where he remains in a critical condition but the woman and teenage girl, sadly, died.“All the people involved in this incident are related to each other."Police have said that they were speaking to "dozens of witnesses" as part of the investigation, and urged anyone who might have more information to get in touch.Brother-in-law pays tributeThe brother-in-law of the mother who died in Essex in Wednesday has spoken of the family’s shock following the incident.Shally Rahman, 42, and Samiha Rahman, 15, died after reportedly trying to rescue a seven-year-old family member from the water in Essex. Matiur Rahman told the BBC: "We all feel very bad, my four brothers, my sister... everybody in the UK and back home [in Bangladesh]."My whole family - we are speechless. We can't believe what we heard from my brother. We are very shocked."Speaking about his sister-in-law, he added: "Shally was a helpful person. She was a housewife and looked after the kids. She was very good actually."Burnham talks of dangers of open water swimmingPrime Minister Andy Burnham has said he will support local authorities following the death of a teenage girl and a woman who got into trouble in water off the Essex coast.Mr Burnham told ITV Anglia he was “so sad to hear the news” but added: “I don’t have the details at this moment in time.”He added: “It does bring over, sometimes, the dangers of open water swimming at this time of the year.“I just would ask people to consider that.“But thank you to the emergency services who stepped in and of course, you know, we will work to support the local authorities as we get to the bottom of this.”Prime Minister Andy BurnhamPA Wire'Just a working-class family going for a day out'Family friend Mishba Uddin, of Colchester, visited the scene at West Mersea on Thursday.He said that those involved “all came from London, they live in east London, one family live in Barking as far as I know, I don’t know about the other family”.Mr Uddin said he believed a young child had got into trouble in the water, and that an older cousin then tried to help.He said the child in a critical condition after the incident was a seven-year-old who was the cousin of the deceased child – a teenage girl, who Mr Uddin said was aged 15.He said he heard that “the little one got into trouble then the other one tried to save” them.He said the family were “just a working-class family going for a day out”.“We as a whole community are in shock actually,” he said.Mr Uddin said that as far as he knew the mother and teenage girl who died “were not very good swimmers”.