welcome back everybody. you're watching "cnn newsroom." we have breaking news at this hour from ferguson missouri, where it's believed two police officers have been shot after a night of protests there outside the police department there in ferguson missouri. this is coming from the st. louis post dispatch and a number of other local news organizations saying that gunfire rang out about an hour or so ago. witnesses say they heard a number of shots being fired and now we have these reports from local media saying that these two police officers have been wounded. this was a protest which started in the wake of the resignation of the police chief there. he decided to step down after weeks and months of pressure. they were celebrating at one stage. they why also calling for the mayor, as well to step down.