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.

The final practice session for the Singapore Grand Prix was interrupted on Saturday because of a lizard invading the track, forcing race control to halt the event.

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.