Stevenage's Lewis Hamilton is to end his 14-year association with McLaren at the end of the season and join Mercedes on a three-year deal.
Formula One driver Lewis Hamilton carried the Olympic Flame as it passed through Luton on Day 52 of the Relay.
Former F1 World Champion Lewis Hamilton has been giving safety tips to young drivers at Silverstone in Northamptonshire.
Lewis Hamilton secured his second successive podium finish after coming third in the Chinese Grand Prix.
The Mercedes driver had started the race in pole position, but eventually lost out to Ferrari's Fernando Alonso and Lotus' Kimi Raikkonen.
Mercedes driver Lewis Hamilton grabbed his first pole position for the Brackley-based team since joining them at the start of the year.
Hamilton head the grid for the start of tomorrow's Chinese Grand Prix at the Shanghai International Circuit.
Mercedes have launched their new formula one car at Jerez in Spain. It's the last of the three fomula one teams based in our region to reveal its new car. The Mercedes will be driven by Lewis Hamilton this season after he signed from McLaren.
Mercedes, based at Brackley, in Northamptonshire, had a disappointing season last year despite scoring their first win with Nico Rosberg, who will partnering Hamilton this season.
Michael Schumacher will retire from Formula One for the second time at the end of the season.
The seven-time World Champion will leave the Northamptonshire-based Mercedes Petronas team at the end of the season.
Schumacher's seat at Mercedes will be taken by McLaren's Lewis Hamilton in 2013.
He said: "I have decided to retire at the end of the season. I still feel I am capable of competing against the best but the time sometimes comes to say goodbye and this time it might be forever."
Hertfordshire Formula 1 driver Lewis Hamilton will join Mercedes from next season on a three-year contract.
The decision to leave McLaren after a 14-year association with the team has been described by one source close to Hamilton as "the toughest of his career".
The 27-year-old, who was born in Stevenage, replaces Michael Schumacher at Mercedes, with the 43-year-old seven-times champion now likely to retire from Formula One for a second time.
Formula One driver Lewis Hamilton has carried the Olympic flame as it passed through Luton this morning.
He was initially asked to carry the torch in his home town of Stevenage yesterday - but he was busy competing in the British Grand Prix at Silverstone.
Stevenage-born Lewis Hamilton is in pole position for the Australian Grand Prix with McLaren team mate Jenson Button just a split second behind.
After two successive world championship titles Milton Keynes based Red Bull only made fifth and sixth place, with Mercedes - based in neighbouring Brackley - taking 4th place with Michael Schumacher.