Olympic torch: Flame rides on London Underground train

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Media captionService Operator John Light, 64, took the flame along the District Line from Wimbledon to Wimbledon Park

The Olympic flame took a trip on the London Underground and was carried by a host of famous faces as it travelled from Kingston to Ealing.

Torchbearers included Olympic rower James Cracknell, Wimbledon winner Boris Becker, cricketer Michael Vaughan and musicians Katy B and Mark Ronson.

Huge crowds followed the torch over the 43-mile route to Ealing's Walpole Park.

Signalman John Light took the flame from Wimbledon to Wimbledon Park on the District Line at 07:15 BST.

A total of 144 torchbearers carried the flame on day 67 of the relay as it travelled through the London boroughs of Kingston upon Thames, Richmond, Hounslow, Hillingdon and Ealing.

Double Olympic gold medallist and adventurer Cracknell, 40, started the day's relay when he carried the flame at Hook Community Centre in Kingston shortly after 08:20.

Skeleton racer Adam Pengilly, who competed at two Winter Olympics, won silver at the 2009 world championships and was elected by his fellow Olympians to the International Olympic Committee Athletes Commission, carried the flame in Kingston too.

Also running with the torch was 92-year-old Eileen Gray CBE, a former mayor of Kingston who pioneered women's cycling in Great Britain, being one of the first three women to cycle for Britain.

At Kew Gardens around 11:00, young British tennis star Oli Golding carried the flame from the Palm House to the Orangery and the Olympic Rings flower display.

Image caption Former Wimbledon tennis champion Becker held the torch aloft in Northolt

The 18-year-old from East Twickenham was the youngest junior British number one tennis player, the 2011 US Open Boys' champion, and is a Youth Olympic Games gold medallist.

Shortly before 14:00, BBC world affairs producer Stuart Hughes ran with the torch in Hillingdon using his Oscar Pistorius-style carbon-fibre blade.

He lost part of his right leg after stepping on a landmine while covering the war in Iraq in 2003, and is now a campaigner against the use of landmines.

At around 14:45, singer Katy B and Grammy and Brit-award winning producer Mark Ronson carried the flame at Brunel University.

Shortly before 16:00, Michael Vaughan - England's most successful cricket captain of the modern era - took the torch to to the front steps of Hillingdon Leisure Centre.

Skier Chemmy Alcott - a triple Olympian and seven-time competitor in World Championships, will carry the Olympic torch in Ealing, shortly after German tennis star Becker took the torch at Northala Fields.

Tuesday is the fourth day of the flame's week-long circuit of the capital, during which time it will pass through each of the city's 33 local authority areas before finishing at the opening ceremony on 27 July.

About two million people are expected to line the torch route in London, taking the total who have seen the flame's journey to 11 million.

A total of 8,000 people will carry the flame during its 8,000 mile, 70-day journey to the opening ceremony of the Olympic Games in London on 27 July.

On Monday, the Olympic torch was carried by Billy Mitchell, played by Perry Fenwick, in a special episode of EastEnders.