The victims of the Westminster terror attack
The Westminster terror attack has claimed its fifth innocent victim, as police confirmed a 31-year-old woman died in hospital.
Scotland Yard said formal identification had yet to take place but it believes the woman to be Andreea Cristea.
The Romanian national, who had been visiting London, is the fifth innocent victim of the attack.
Here we profile all five victims:
Kurt Cochran
American tourist Kurt Cochran, from Utah, died in the attack on Westminster Bridge, his family have confirmed in Facebook posts.
He and his wife Melissa were in Europe to celebrate their 25th wedding anniversary and had been due to return home today.
US President Donald Trump has paid tribute to him, calling him "a great American".
Mr Cochran's brother-in-law released a statement on behalf of the family, calling him a "good man".
Cochran's sister-in-law Sara Payne-Mcfarland paid tribute to him on Facebook, calling him a "hero".
"While we are glad she survived, our hearts are broken and will never be the same after losing our dear uncle, brother-in-law, father. Kurt, you are a HERO, and we will never forget you," she wrote.
Aysha Frade
The woman who was killed on Westminster Bridge has been named as Aysha Frade.
Ms Frade, who is understood to have been 43 and married with two daughters, worked in the administration team at DLD college in Westminster.
Earlier reports suggested Ms Frade was a Spanish teacher at the college.
The sixth form college is located just a few minutes walk from the bridge where the attacker mowed into Ms Frade and dozens of pedestrians before fatally stabbing Pc Keith Palmer in the grounds of the Houses of Parliament.
A statement from the headteacher at the college said Ms Frade was "loved" by students and colleagues.
A minute's silence was held in the Spanish town where her family are from and where she spent her summers.
Andres Hermida, a councillor in the Galician municipality of Betanzos, said the community was in "enormous pain" and shrouded in an "atmosphere of sadness".
"We had a minute's silence in the Plaza de la Constitucion outside the local government building and we have declared three days of mourning, which will include flying the flag at half mast until Saturday," he said.
"About 100 people attended despite the rainy weather."
Pc Keith Palmer
An unarmed police officer was among the three people killed by the attacker in Westminster.
Pc Keith Palmer was on duty inside the grounds of the Houses of Parliament when he was fatally stabbed by a man armed with two large knives.
The 48-year-old husband and father was a member of the parliamentary and diplomatic protection command with 15 years' service.
In a statement on Thursday, his family paid tribute to the "wonderful dad and husband" and "loving son, brother and uncle".
A former soldier in the Royal Artillery, Pc Palmer was hailed as a "strong, professional public servant" by MP James Cleverly, who served with him.
In her first address to Parliament since the attack, PM Theresa May called Pc Palmer a "true hero".
Fundraisers have already raised thousands more than £2,000 to help the murdered police officer's family.
More than £25,000 has been raised for his family after the Metropolitan Police Federation set up a JustGiving appeal on Thursday morning.
A separate Go Fund Me page, set up at midnight on Wednesday, reads: "An officer fell in the line of duty today. The weeks ahead are going to be taxing for his family and colleagues who survive him.
"Please help to support his family in any way you can. All funds raised will be donated to Keith's next of kin."
Comments from those who knew Pc Palmer included: "So proud to have worked with such a great guy, R.I.P Keith."
Another wrote: "Remembering Keith as a very professional officer. Thinking of his family, friends and colleagues."
A woman today told of how the police officer had saved her life when she was in a car accident.
"He was a lovely man, absolutely lovely man, and everyone's going to really miss him," the woman, a former police officer called Nina, told LBC.
Leslie Rhodes
Pensioner Leslie Rhodes, 75, was believed to have been visiting St Thomas' hospital when he was knocked down by Khalid Masood's car on Westminster Bridge.
Mr Rhodes, from Streatham, south London, died from his injuries the following day on Thursday.
The retired window cleaner may have been coming from or going to a bus stop when he was fatally hit.
One neighbour, Philip Williams, 61, said: "We'd known him for 24 years."He was a lovely man. He would do anything for anybody.
"And it's such a shock."
Mr Rhodes was not married and had no children, according to Mr Williams.
Michael Carney, who knew Mr Rhodes for around 40 years, had kept a bedside vigil at King's College Hospital.
He said: "My wife and my two girls went up there and were with him until he died, playing him music. He liked Queen and that."
"He had no-one. You can't have someone dying on their own."
Mr Carney added: "What harm did he ever do to anyone? He was the nicest man you ever met."
Andreea Cristea
A 31-year-old woman who was injured in the Westminster terror attack died in hospital after life support was withdrawn on April 6.
The force said formal identification had yet to take place but it believes the woman to be Andreea Cristea.
The Romanian national, who had been visiting London, is the fifth innocent victim of the attack.
Her family said in a statement: "After fighting for her life for over two weeks, our beloved and irreplaceable Andreea - wonderful daughter, sister, partner, dedicated friend and the most unique and life loving person you can imagine - was cruelly and brutally ripped away from our lives in the most heartless and spiritless way.
"She will always be remembered as our shining ray of light that will forever keep on shining in our hearts.
"Andreea is now unfortunately not able to have part of the money that was raised for her recovery, so we would like to donate it to charity. She would not have it any other way.
"There are no words to even begin to describe the crushing pain and emptiness that is left in our hearts.
"Our family, together with Andrei, are deeply touched and eternally grateful for the unimaginable efforts and never-ending dedication provided to her and us by the entire medical personnel of each and every hospital involved. Their kindness and empathy are beyond compare.
"We would not have been able to live through these trying and tragically hurtful weeks without the support of the Metropolitan Police, the UK Government and every department involved.
"Our hearts and love go out to our two Family Liaison Officers, Detective Sergeants Tony De-Wilde and Geraint Jones, who stood beside us every single step of the way. You were our lifeline and we will never be able to thank you enough."
Those 40 injured in the attack include:
12 Britons
Three French children
Two Romanians
Four South Koreans
Two Greeks
A German national
A Polish national
An Irish national
A Chinese national
An Italian national
A US national
Prime Minister Theresa May said around 40 people were injured in the attack. Those injured included three police officers, two of whom were hurt seriously.