John Abraham. File pic/Yogen Shah

Bollywood actor John Abraham lost his cool and walked out of the sets of Krushna Abhishek and Bharti Singh's TV show 'Comedy Nights Bachao Taaza' two days ago. The actor, who was on the show with Sonakshi Sinha to promote their film 'Force 2', was upset with the way Krushna Abhishek roasted him.