Ambrose fined $25,000 after NASCAR stoush

Tasmanian NASCAR driver Marcos Ambrose has been fined and put on probation for his role in a stoush with a fellow driver at the weekend.

Ambrose and fellow driver Casey Mears were caught on video engaged in a stoush after Saturday night's Sprint Cup Series race at the Richmond International Raceway in Virginia. The footage shows Ambrose punching Mears in the face after Mears appeared to grab and push Ambrose.

Ambrose was fined $25,000 while Mears was fined $15,000. Both were place on NASCAR probation until May 28.