'Bigg Boss 7' winner and actress?Gauahar Khan expressed?her concern over the ongoing Russia and Ukraine crisis. She said?that the crisis has caused an upheaval all around the world. The tension created between the two countries has led to a military strike.?Russia’s commencement of a military strike in Ukraine on Thursday has led to chaos all over. Many celebrities have expressed their concern on social media. Khan is one of the celebs who has spoken up.