Sports Mole rounds up all of the latest news regarding Formula 1 on Monday, September 23.
Monday morning's headlines:
Ferrari 'hungrier than Mercedes' - Hamilton
Championship leader Lewis Hamilton criticised Mercedes after the Singapore GP. Read more.
Magnussen eyes other races outside F1
Kevin Magnussen is eyeing next January's Daytona 24 hour race. Read more.
Simulator error caused Singapore struggle - Marko
Dr Helmut Marko says a "mistake" in the simulator prior to Singapore spoiled Red Bull's chance of victory. Read more.
Masi surprised by reaction to decisions
F1 race director Michael Masi says he has been surprised by the reaction to new approaches to wheel-to-wheel racing taken in Formula 1 this year. Read more.
Gasly not ruling out 2020 Red Bull return
Pierre Gasly is not ruling out the possibility of a return to Red Bull for 2020. Read more.
Kubica does not want simulator-only F1 job
Robert Kubica says he does not want to become a mere simulator driver in Formula 1. Read more.
Nitrogen concerns could affect Dutch GP - minister
Dutch deputy sport minister Bruno Bruins hopes next year's race at Zandvoort is not affected by environmental concerns. Read more.
Lewis Hamilton: 'I won't lose sleep over Singapore defeat'
The Mercedes driver finished fourth after his team misjudged their strategy. Read more.
The sporting weekend in pictures: Man City hit eight, NZ defeat SA, Vettel wins in Singapore
The Rugby World Cup kicked off, Manchester City put eight past Watford and Sebastian Vettel won the Singapore Grand Prix. Read more.
Hamilton was denied the shot at a hat-trick of Singapore wins. Read more.
Result: Sebastian Vettel ends drought with victory in Singapore
Vettel's Ferrari team-mate Charles Leclerc left unhappy after pit stop. Read more.
Mercedes needs update to catch Ferrari - Hamilton
Ferrari's rivals are surprised by the Italian team's pace in Singapore. Read more.
Teams to discuss 'open source' parts idea for 2021
Formula 1 teams are still squabbling with Liberty Media and the FIA over the proposed rules for 2021. Read more.
F1 drivers slam sprint race qualifying idea
Formula 1 drivers have slammed a proposal to radically shake up the qualifying format. Read more.
Haas eyes Kubica for reserve driver role
Haas boss Gunther Steiner has expressed interest in signing up Robert Kubica for 2020. Read more.
Formula E teams showing 'interest' - Hulkenberg
Nico Hulkenberg is no longer completely ruling out a switch to Formula E. Read more.
Kvyat not in running for Albon's seat - Marko
Alex Albon looks to be on pole position to keep his seat at Red Bull for 2020. Read more.