martyr, thank ou. ., ~' your time, rosanne martyr, thank ou. ., ~ , ., your time, rosanne martyr, thankgas and water cannon to disperse protests in kolkata over the rape and murder of a junior doctor in the hospital where she worked earlier this month. the incident has sparked massive outrage across the country. a man, a police volunteer, has been arrested. at the weekend doctors across india walked out of hospitals as part of a nationwide strike called by the indian medical association with only emergency patients being seen. medical staff have called for greater protection for female hospital workers. our reporter salman ravi has more. behind me as a mob of students protesting against the rape and murder of a medical student at the leading medical college in kolkata, west bengal. these protesters march towards the state headquarters, where the government functions from. there were skirmishes between protesters and police because the police barricaded that area, the protesters fought, the police were charging, using water cannons, students gathering from all directions, from different