- Tuesday marked 10 years since 52 people were killed in terrorist attacks on London.
- A national minute's silence was held at 11:30am in memory of the victims.
- Relatives of the victims, survivors, and members of the emergency services attended a service at St Paul's Cathedral.
- The prime minister and the mayor of London laid wreaths at the 7/7 memorial in Hyde Park in the morning.
- The Duke of Cambridge attended a service at the memorial in the afternoon.
- People were encouraged to walk the last stop of their commute to pay tribute to the victims.
The Duke of Cambridge has attended a service at the Hyde Park memorial this afternoon in memory of the 7/7 victims.
This was the scene earlier in Hyde Park when the prime minister and the mayor of London laid wreaths at the 7/7 memorial.
Candles bearing the names of the locations attacked during the London bombings were carried into St Paul's Cathedral during the commemoration service earlier.
People in London have been encouraged to walk the last stop of their commute today in a “quiet moment of unity and remembrance”.
The #walktogether campaign has been devised by thinktank British Future.
Using the hashtag, British Future said the campaign is "inspired by the scenes on London's streets on 7 July 2005, when public transport closed down and thousands calmly walked home".
A national minute's silence has been held to remember the 52 people killed in the attack on 7 July 2005.
The names of the victims were read out at a service at St Paul's cathedral, attended by relatives of the victims, survivors, members of the emergency services, prime minister David Cameron and his predecessor Tony Blair.
The London Fire Brigade has remembered the victims of the bombings and the work of the emergency services.
As has the London Ambulance Service.
This is the speech then mayor of London Ken Livingstone gave in the aftermath of the attacks in 2005.
Livingstone was in Singapore to hear if London had been successful in its bid to host the 2012 Olympics. He said in the speech:
I want to say one thing specifically to the world today. This was not a terrorist attack against the mighty and the powerful. It was not aimed at presidents or prime ministers. It was aimed at ordinary, working-class Londoners, black and white, Muslim and Christian, Hindu and Jew, young and old. It was an indiscriminate attempt to slaughter, irrespective of any considerations for age, for class, for religion, or whatever.
That isn't an ideology, it isn't even a perverted faith – it is just an indiscriminate attempt at mass murder and we know what the objective is. They seek to divide Londoners. They seek to turn Londoners against each other. I said yesterday to the International Olympic Committee that the city of London is the greatest in the world, because everybody lives side by side in harmony. Londoners will not be divided by this cowardly attack. They will stand together in solidarity alongside those who have been injured and those who have been bereaved and that is why I'm proud to be the mayor of that city.
Finally, I wish to speak directly to those who came to London today to take life. I know that you personally do not fear giving up your own life in order to take others – that is why you are so dangerous. But I know you fear that you may fail in your long-term objective to destroy our free society and I can show you why you will fail.
In the days that follow look at our airports, look at our sea ports and look at our railway stations and, even after your cowardly attack, you will see that people from the rest of Britain, people from around the world will arrive in London to become Londoners and to fulfil their dreams and achieve their potential.
They choose to come to London, as so many have come before because they come to be free, they come to live the life they choose, they come to be able to be themselves. They flee you because you tell them how they should live. They don't want that and nothing you do, however many of us you kill, will stop that flight to our city where freedom is strong and where people can live in harmony with one another. Whatever you do, however many you kill, you will fail.
This is the message David Cameron left with the wreath he laid at the 7/7 memorial in Hyde Park this morning.
Yesterday a 7/7 survivor broke down in tears after a surprise encounter with the policeman who saved her life.
Gill Hicks was taking part in a walk to pay tribute to those who lost their lives in the London bombings in 2005 when she was surprised by a visit from PC Andy Maxwell.
Hicks, who had both her legs amputated after being injured in the attacks, embraced PC Maxwell outside King's Cross station before they moved away from the press to have a few private words, ITV News reported.
Mayor of London Boris Johnson and prime minister David Cameron have also laid wreaths at the 7/7 memorial in Hyde Park.
The British Transport police have tweeted pictures of officers with wreaths at the scenes of the attacks.
The mayor of London has said the 7/7 bombers "failed in their aim".
Boris Johnson said the attackers "didn't in any way change the fundamentals of London and what makes this city great", ITV News reported.
"Indeed, it's gone from strength to strength in the 10 years since.
"I think most people would say that London has become even more cosmopolitan, even more welcoming."
However the mayor also warned that "the problem has not gone away".
"We're as ready as we think we can be, and as you can imagine there are preparations going on all the time in the event of all kinds of attacks," he said.
Prime minister David Cameron has released a statement saying the threat from terrorism "continues to be as real as it is deadly".
"Today the country comes together to remember the victims of one of the deadliest terrorist atrocities on mainland Britain," Cameron said.
"Ten years on from the 7/7 London attacks, the threat from terrorism continues to be as real as it is deadly – the murder of 30 innocent Britons whilst holidaying in Tunisia is a brutal reminder of that fact. But we will never be cowed by terrorism.
"We will keep on doing all that we can to keep the British public safe, protecting vulnerable young minds from others' extremist beliefs and promoting the shared values of tolerance, love and respect that make Britain so great."
A number of memorial services are taking place in the capital today.
Survivors, relatives of the victims, members of the emergency services, the mayor of London and the Duke of York will be among those attending a service at St Paul's Cathedral at 11am.
The Duke of Cambridge will attend a wreath-laying service at the memorial to the victims in Hyde Park.
A minute's silence will be held across the transport network. Tube announcements will be silenced at 11:30am and passengers will be asked to observe the silence.
Bus drivers will also stop their vehicles to remember the victims, ITV News reported.
City Hall has called on Londoners to lead the country in a minute's silence to reflect on the anniversary.
People are also being encouraged to walk the last stop of their morning commute in a "quiet moment of unity and remembrance".
Fifty-two people died and hundreds were injured when a series of bombs were detonated on tube trains and a bus in London on 7 July 2005.
Three bombs went off on the underground just before 8:50am, killing 26 people at Russell Square, six at Edgware Road, and seven at Aldgate.
Then, at 9:47am, a bomb was detonated on the number 30 bus at Tavistock Square, killing 13 people.