i'm carl kasell and welcome to the program hong kong citizens are marching in the city center today defying an official ban as they seek to protest the police response to their pro-democracy rallies last night solved violent clashes between police and demonstrators with dozens arrested and injured authorities fired tear gas and rubber bullets as they attempted to disperse the crowds the protests are part of a weeks long. campaign for greater democracy at home on and autonomy from the land china. and joining me now is our correspondent much longer he's been covering these protests since the beginning in hong kong now the ts today is the 3rd straight day of demonstrations that seem to be escalating can you just bring us up to speed on what we can expect today. as you mentioned it today's march has not been approved the assembly in the beginning has been approved by the police but the march was considered too risky by the police and they have not approved protesters are going to march anyway and this is basically what we've seen yesterday as well the police trying to stop the protests and the