Updates for London have now ended for the day but we'll be back at 08:00 on Friday with the latest news, sport, travel and weather.

BBC Weather

It will remain dry this evening, with the easterly wind continuing. Cloud will thicken through the night to perhaps bring a little light rain towards the North Downs by dawn.

Minimum temperature: 8C (46F). 

Image source, PA

A City of London Blue Plaque has been unveiled near to the site where William Shakespeare took lodgings in around 1604, at St. Olave"s Churchyard, on the corner of Noble Street and London Wall.

The unveiling of the plaque marks for the first time the Bard's residency in this area of the Square Mile and is being held in the week commemorating the 400th anniversary of his death.

Scientists have discovered an exhibition by the artist Damien Hirst - including dead animals preserved in giant tanks - released potentially dangerous formaldehyde fumes at the Tate Modern in London.

A report in the journal, Analytical Methods, said levels of the gas at the 2012 exhibition were above those legally permitted - but the scientists and the museum say the public were not at risk.

"Tate always puts the safety of its staff and visitors first, and we take all necessary precautions when installing and displaying our exhibitions," a Tate Modern spokesman said.

"These works contained a very dilute formaldehyde solution that was contained within sealed tanks."

BBC London News

Coming up on air tonight: Although we are cautious about polls after the general election last year, when the latest mayoral poll puts Labour's candidate, Sadiq Khan ahead by 16 points, even Conservative candidate Zac Goldsmith might take a long hard look at the figures. 

Today, after weeks of coming under fire from the Tories over alleged links with extremists, Mr Khan was at Scotland Yard looking at the work of the armed response team. 

BBC London's political editor Tim Donovan was there too.

Claire Timms
BBC London News

With less than two weeks to go until Londoners go to the polls to vote for a new mayor and London Assembly members, how much do you know about what the candidates stand for?

BBC Radio London's political reporter Susana Mendonca took to the streets to find out how recognisable the main mayoral candidates are and if people could match policies with the politicians.

Mayoral election: At-a-glance policy guide

Kings Cross Environment
Community website

The Guardian has fired a traditional opening shot in any rent renegotiation by floating rumours of a move from its Kings Place office, external. And there’s a right old ding dong about how to finance the Guardian and its digital ambitions post Alan Rusbridger’s editorship.

A woman was saved from drowning in the River Thames in the early hours of this morning after a London RNLI lifeboat crewman heard a splash through a window, the lifeboat says.

Duty RNLI helmsman Craig Burn was in the crew room of Tower Lifeboat station, next to Waterloo Bridge at 02:30 when he heard a splash.

He first thought it was a black sack but attended with his crew and saved the unconscious woman. 

BBC Travel

Trains out of King's Cross are delayed by up to an hour tonight after passenger incident at Stevenage. The disruption is expected to last throughout rush hour this evening.

Southeastern trains also have delays of up to 40 minutes from Cannon Street to Dartford after signalling problems at lunchtime.

Outside King's Cross, Pancras Road is closed because of a protest by black cab drivers.

Alice Bhandhukravi

I'm happy to be back at the Royal Hospital with the Chelsea Pensioners celebrating the Queen's 90th birthday.

You can watch my report on BBC London's 18:30 bulletin on BBC One.

BBC Radio London

About her role in House of Cards, Robin Wright says Claire is the the "best of both sexes, she is not just a woman and therefore she can meet him [Kevin Spacey] - there is an equality you don't have in TV drama". 

She says Kevin Spacey always says "you are so venal". But, she adds, "Claire is efficient". 

They had no idea how successful it would be at the beginning, when producers said it would last for three shows, she adds. "We are on our fifth one."

Image source, Getty Images

Ms Wright says the Queen is "so with it" and she hasn't changed. 

This visit to London is mostly about work, says the Texan-born actor, but last time she went to the Old Vic. 

"What a wonderful thing he [Kevin Spacey] did. And the Young Vic - what a fantastic playhouse," she adds. 

You can listen to Jo Good's show in full on BBC iPlayer.

BBC Radio London

Ms Wright says she is trying to increase awareness about the mineral trade by speaking to Congress, pressurising electronics companies and trying to make the consumer aware if they "pay another dollar it will put protection on the ground". 

In the Democratic Republic of Congo, she says: "I'm just this blonde from that part of the globe over there - Momma Robin, that's what they call me. 

"How great is that, just to connect, human to human, how can I help you?"

The Guardian

Rents in London's skyscrapers are soaring, rising much faster than those in other major cities around the world, external, due to booming demand for landmark buildings and a lack of new office space.

BBC Radio London

Robin Wright, who recently played Claire Underwood in the Netflix hit series House of Cards, has been in the studio talking to Jo Good. 

She has set up a sleepwear company called Pour Les Femmes , externalto help women in the Democratic Republic of Congo. 

Ms Wright says: "The Congo is this mission I have been on for over 10 years to try to be a voice for the ladies. 

"The minerals that exist in every gadget come from the Congo - it's a dirty trade mission just like diamonds."

A London cleric who David Cameron described as a supporter of so-called Islamic State has told the BBC he attended Conservative events and feels betrayed by the party.

Mr Cameron criticised Labour's London mayoral candidate Sadiq Khan on Wednesday for appearing with cleric Suliman Gani.

On the BBC's The World Tonight, Mr Gani said he felt "disheartened and betrayed" at being described this way.

Number 10 declined to comment.

A spurned lover has been jailed for 19 years for stabbing his ex-girlfriend and her 86-year-old fiancée to death after trawling the internet for Breaking Bad poison, a court heard. 

Mallin, 51, armed himself with a meat cleaver and 25cm carving knife before attacking great grandfather John Down, 86, and Karen Reid, 53, at the sheltered housing complex where they all lived. 

Prosecutor Riel Karmy-Jones told the Old Bailey Mallin's relationship with wheelchair-bound Ms Reid, who had a muscle-wasting condition, had ended in February last year and she transferred her affections. 

Mr Down, who suffered from a degenerative eye disease, had met Ms Reid after he moved into the sheltered accommodation having broken his hip in a fall. 

The couple got engaged and she moved into his flat at Fernways in Ilford, north-east London.

Paul Mallin has been jailed for 19 years at the Old Bailey for stabbing his ex-girlfriend and her 86-year-old fiancée to death after trawling the internet for Breaking Bad poison.

Craft brewer BrewDog, which has bars across London including in Shoreditch, Shepherd's Bush and Soho, has fallen well short of a £25m target it set for its latest funding round.

Image source, Brewdog

The company announced it had raised £19m in the fourth round of its Equity for Punks crowdfunding scheme.

BrewDog launched the round a year ago in order to expand its business.

David Walliams has had children's letters that had been stolen returned to him by the police, after a member of the public had found items of discarded mail in Camden on 8 April.

Image source, PA

The actor and writer tweeted, external that Met Police had "kindly returned a number of children's letters to me that had been stolen in December".

Last week he apologised to fans if they had not received replies from him as he had just found out a large box of letters had been stolen.