Kimi Antonelli and Mercedes punished for unsafe release in messy Brazil GP

New Formula 1 world champion Andrea Kimi Antonelli has been handed a five-second penalty for an unsafe release during the Sao Paulo Grand Prix. 

Antonelli and a Mercedes representative were summoned before the stewards at 4:30pm local time (7:30pm GMT) over the alleged incident that saw the 20-year-old Italian released into the path of Alpine's Franco Colapinto.