In a rare instance, Chennai Super Kings skipper Mahendra Singh Dhoni, who is known for his cool and calm demeanour, lost his cool and rushed out of the dug-out to challenge umpire Ulhas Gandhe after he flip-flopped on a no ball during an IPL match against Rajasthan Royals in Jaipur on Thursday. Watch News Nation’s special show Stadium to stay updated with all the latest sports news all over the world.