The Formula 1 series is set to make its annual trip to Singapore at the Marina Bay Street Circuit on Sunday, which means Saturday marked the all-important practice race to fine-tune ahead of the main event. However, Saturday's practice race was marred by a delay by an unexpected source: a giant lizard.

Sports isn’t unfamiliar with an intrusion from the animal kingdom. Whether it is dogs on pitches at soccer games or cats at NFL games, interruptions from our furry friends have been seen throughout the years.

MARINA BAY, Singapore -- Another exciting and important Formula 1 race is on tap for Sunday, as the world championship battle continues when the drivers compete in the Singapore Grand Prix.