Formula 1: Lewis Hamilton's McLaren journey

Former world champion Lewis Hamilton is set to leave McLaren after signing a three-year deal with Mercedes from next season.

The 27-year-old had been with McLaren since the age of 13.

Hamilton said: "It is now time for me to take on a fresh challenge and I am very excited to begin a new chapter."

BBC News' Ian Kemp reports.

BBC Sport
Formula 1