Christmas dinners have been served to Londoners who are reliant on the city’s homelessness services.
Hairdressers and opticians were also made available at City Hall before guests were given a three-course meal.
Last year, 8,855 people were seen rough sleeping in London, an 18% increase since last year, and more than double the number in 2010.
“Events like this help bring a sense of community back in to London,” Claire, a former rough sleeper, told the BBC.
Claire, who spent 30 years either living on the streets or in prison, said: “It’s the type of event that does matter. It forms partnerships and builds bonds.
“If it wasn’t for the support of St Mungo’s, I’d either be dead or doing what I was before.”
Guests were chosen from the thousands of Londoners that currently receive assistance from services funded by City Hall and delivered by charities St Mungo’s and Thames Reach.
But Claire said services were still “hit and miss”.
“Where I live I’m still waiting for support with my mental health,” she added.
Mayor of London, Sadiq Khan, said: “St Mungo’s and Thames Reach are struggling with finances.
“Since I became mayor we’ve more than doubled the amount of money we’ve spent on rough sleeping and the size of our outreach team.
“But we’re just scratching the surface. We’ve not got the money or the resources to do much more – as it is I’m criticised for going outside my remit and my power.
“It is both heartbreaking and shameful that in one of the richest cities in the world we still have the levels rough sleeping that we do.”
Last year 15,470 people were accepted as being homeless by London councils.
There were 55,000 families living in temporary accommodation, such as bed and breakfasts and hostels.
Hundreds more people are estimated to be sleeping on London’s night buses.
Petra Salva, Director of Rough Sleeper Services at St Mungo’s, said: “It’s wonderful that the Mayor has opened the doors of City Hall for this festive event.
“Christmas can be a time of mixed emotions for clients in our services and our staff work hard to support those who stay with us over the holiday period.”
City traders have urged UK and European exchanges to cut trading hours to improve work-life balance.
They say the long hours are bad for mental health and are not exactly female-friendly.
“It’s hard to find childcare at five o’clock in the morning,” said April Day, head of equities at the Association for Financial Markets in Europe (AFME).
The idea is for exchanges to open 09:00 to 16:00, instead of 08:00 to 16:30.
The AFME is pushing for the change alongside fellow trader body the Investment Association.
Shorter trading hours would cut pressure on traders and attract a more diverse range of workers, it said.
Stock market trading has traditionally been seen as male-dominated, lagging behind other areas of financial services in terms of attracting women into roles,
The AFME’s Ms Day said her organisation had been lobbying stock exchanges in London, Paris, Germany and the Nordic region.
“A shorter working day would improve flexibility for employees and attract a more diverse range of individuals on to trading floors,” she added.
The London Stock Exchange said it would launch a consultation on the request.
Traders in the UK and elsewhere in Europe normally work for a few hours either side of the current 8.5 trading hours, Ms Day said.
By contrast, US exchanges are open for 6.5 hours and Asian exchanges for 6.
Chris Cumming, chief executive of the Investment Association, says that under the current hours, City traders are beginning work when there is not much action on the market anyway.
“We have been doing a review about how we can make sure that trading on the market is as efficient as possible,” he told the BBC’s Today programme.
“What it means is that investors, pension funds, you and I as savers, we are able to eventually trade at the most efficient time when liquidity is at its best.
“It is cheaper to do and that actually means we get high levels of savings and better pensions, so this has got a real world impact.”
A knock-on effect of having a smaller intake of women in junior positions means that there are relatively few women in senior management positions in investment and banking trading, Ms Day said.
Juggling work and childcare responsibilities can be a challenge for both men and women, she added.
Long hours in a high-pressure job can also exacerbate any mental health difficulties traders may be suffering, Ms Day added.
Galina Dimitrova, director of capital markets at the Investment Association, concurred: “We have heard many deeply moving stories of traders’ mental health and personal life being impacted by their working hours.
“Whilst it is no silver bullet, we hope this European-wide review could start to lead to a step change in more efficient markets to the benefit of savers and those who operate them.”
The London Stock Exchange said it strongly supported improving diversity and workplace culture in the City.
It said the call from the trader associations was “an important suggestion for a European-wide adjustment to trading hours”.
“We intend to consider the request in a formal consultation with London Stock Exchange’s global members and customers,” it added.
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Leicester Riders won the BBL Play-offs title for a third season in a row by beating the London City Royals 93-61 in the final at the capital’s O2 Arena.
Leicester’s defensive intensity again proved decisive in a final as they held London to just 25 second-half points.
Tim Williams led Leicester’s scoring with 20 points and Jamell Anderson and JR Holder added 17 and 14 respectively.
Matthew Bryan-Amaning crowned a fine season with 19 points for the Royals and Orlan Jackman added 16.
The Royals stayed in touch in the opening two quarters with a Leicester side that has regularly won trophies in the last five years and their former Great Britain player Bryan-Amaning looking to make his presence felt close to the basket towards the end of the first half.
Down just 44-38 when Jackman scored the first basket of the second half, the Royals then conceded 11 unanswered points in a run triggered by Leicester’s Holder and Williams.
After the Riders went on a further 11-2 run, inspired by three-pointers from Anderson and Pierre Hampton, the Royals were 24 behind and they posted just 10 points in a third quarter in which the final was all but decided.
Riders continue dominance
Leicester’s win – in their sixth final in the past eight years – is their third play-offs title and equals the feat of Kingston, Worthing and Newcastle, who also scored hat-tricks in the play-offs.
Leicester coach Rob Paternostro said he had expected a closer contest but believed his team’s improvement in the second half of the season, after the rigours of their European campaign, had been instrumental in the win.
“Coming into the play-offs we became more of a group that was locked-in, especially on defence,” he said. “I’m super-proud of how locked-in mentally they were.
“We just thought that we had to get back on defence – we felt that when our defence was set up, we were going to be really tough to beat in this game. There weren’t many adjustments to make.”
Royals coach Jay Williams said: “We struggled with consistency throughout the season but in the big games we showed up – but today we just didn’t.
“Hats off to the Riders – they came out and executed their game plan and they were consistent the whole time through.
“We played hard but we didn’t play smart and the Riders exploited that. But the main thing is – we didn’t show up.”
AFC Wimbledon guaranteed another season of League One football after a goalless draw at bottom side Bradford City.
Bradford’s Kelvin Mellor and Anthony O’Connor had the best chances of a quiet first half as Dons keeper Aaron Ramsdale made some smart saves.
Wimbledon came to life after the break as Joe Pigott had an effort cleared off the line and Mitch Pinnock shot wide from the edge of the box.
The Dons’ run of just one loss in their final 12 games ensured a fourth successive season in the third tier as they avoided relegation by virtue of goal difference from Plymouth Argyle.
It is a remarkable escape for the club who were 10 points from safety fewer than three months ago – but just two defeats in that time saw them climb the table and move out of the bottom four last week after a 2-1 win over Wycombe.
Meanwhile, Bradford’s disastrous season came to an end having gone through three managers and won just 11 of their 46 matches to conclude the campaign nine points from safety.