Lok Sabha erupted in protests when it convened at 11 am this morning over reports that Shiv Sena MPs allegedly forced a Muslim catering manager at Maharashtra Sadan to break his Ramzan fast and consume a chappati.Leader of Congress in Lok Sabha Mallikarjun Kharge raised the issue in the House demanding a clarification from the MPs. "It is a serious issue of sentiments of a section of society have been violated.