Lewis Hamilton sets the pace from Mercedes team-mate and title rival Nico Rosberg in first practice at the United States GP.
Text and video highlights of first practice for the United States Grand Prix in Austin, with the second session from 19:00.
Lewis Hamilton says it would "suck" if he lost the world title as a result of the controversial final-race double points rule.
Details of 2014 Formula 1 coverage across TV, radio, online and mobile on the BBC.
Jenson Button a "wanted individual" says manager, Grosjean can leave Lotus & more stories from around F1.
United States GP practice results
Jules Bianchi remains "critical but stable" in hospital, nearly four weeks after he crashed at the Japanese Grand Prix.
Sauber team principal Monisha Kaltenborn says F1 needs drastic changes to address the financial issues within the sport.
Caterham and Marussia's financial problems highlight the need to cut costs in Formula 1, says governing body the FIA.
Formula 1 will trial a "virtual safety car" system following the accident that left Jules Bianchi in a critical condition.
Marussia have become the second F1 team to be placed in administration in less than a week, it is confirmed.
Marussia and Caterham "may not be the last" teams to suffer from the cost of Formula 1, says ex-FIA president Max Mosley.
Sir Jackie Stewart says the Jules Bianchi crash is a reminder to Formula 1 drivers that they are not 'bulletproof'.
Formula 1 boss Bernie Ecclestone says both Marussia and Caterham will miss next weekend's US Grand Prix.
A doctor who treated Michael Schumacher for nearly six months after his brain injury says the F1 champion has made "some progress".
A complaint that human rights regulations were breached when the Formula 1 Grand Prix was staged in Bahrain "merits further examination", a UK government panel says.
McLaren sporting director Sam Michael is to leave, but the team deny their technical director and chief operating officer will also depart.
Formula 1 boss Bernie Ecclestone is hoping to resolve the dispute threatening the future of the Caterham team.
Staff working at the Caterham F1 team site in Oxfordshire have been locked out of the firm's premises, the administrator confirms to the BBC.
Ex-team chiefs Ross Brawn and Stefano Domenicali join an FIA accident panel set up to investigate Jules Bianchi's crash.
Kamui Kobayashi admitted to being "seriously troubled" by the prospect of driving his Caterham during the Russian GP weekend.
Silverstone managing director Richard Phillips and two other senior executives have been suspended.
Britain's Jenson Button may switch to the world endurance championship unless he lands a competitive seat in F1 for 2015.
United States GP Build-up
Features & Interviews
Features & Analysis
Cowboy hats, sunny skies and the return of Hamilton v Rosberg will be a welcome antidote to a sport operating under a cloud.
It is not a question of Lewis Hamilton "deserving" the world title, but after nine wins he exudes calmness, says David Coulthard.
Fernando Alonso is trying to decide between signing for McLaren or taking a year out and joining Mercedes, writes Andrew Benson.
The relationship between Kamui Kobayashi and his Caterham team suffered a breakdown of trust in Russia, says Andrew Benson.
Mercedes' 2014 car is already a classic, while Jules Bianchi's car prepped in the pits shows Marussia's dignity and resolve, writes Andrew Benson.
Despite Jules Bianchi's crash, Ayrton Senna's death was already a wake-up call those in charge of the sport have never forgotten.
What lessons are there for Formula 1 after Jules Bianchi is severely hurt in a crash at the Japanese Grand Prix?
Using the current Formula 1 points system, BBC Sport ranks drivers from 1950 to 2013 based on wins, poles, points and titles.