i want to talk with our senior international correspondent nic robertson who is there in bahrain. nic, what is taking place? what is happening there? this is peaceful and now seems terribly violent. >> reporter: well, what's happened the government has decided protesters cannot congregate at the round about. it's the equivalent of a tahrir square in cairo. it's become the sort of focal point where they want to go. the government pushed the demonstrators off there two nights ago and they had a security cordoning it off ever since. what happened late this afternoon after peaceful pr protests around funerals of people killed earlier this the week, anti-government protests and at the same time in the city here pro-government protests going on, later in the day, just before dusk, anti-government protesters moved towards that round about again, essentially challenging the police. they moved forward several times