Piastri caught up in last-lap crash with teammate in Singapore GP sprint

Key points

• Lando Norris has apologised to McLaren after a final-lap collision with teammate Oscar Piastri at the Singapore Grand Prix sprint. Norris tried to overtake on the inside and clipped Piastri's rear tyre, sending both cars spinning.
• Piastri retired, one of nine cars that did not finish, a record for a Formula 1 sprint. Norris finished eighth.
• Both McLaren drivers were summoned to the stewards. Red Bull's Max Verstappen won the sprint.