High schools and colleges have been shut in the Indian state of Karnataka, after a row over Muslim women wearing headscarves in the classroom. Protests have now spread across the country, to two of India's largest cities, Kolkata and Chennai. On Wednesday, a judge at the state's high court referred petitions challenging the ban to a larger panel. The BBC's Ros Atkins explains the latest developments. Please subscribe HERE http://bit.ly/1rbfUog #India #BBCNews