Here is a video of the moment Romain Grosjean squandered his lead in last week’s GP2 race.
The ART driver ran wide under a safety car period and was later judged to have broken the rules in defending his position illegally from Kamui Kobyashi.
You can read more about the Grosjean-Kobayashi incident at F1Fanatic and read my notes on the Spanish GP2 sprint race.