isha sesay was there. isha, it's such an emotional day yesterday. what's the mood like today? >> reporter: john, it was emotional yesterday, but it was also joyous at the memorial service we saw at fnb stadium in soweto. we saw scenes of people singing and dancing, united as one, celebrating the life of nelson mandela. today here at the union buildingin pretoria which is the center of south africa, it's very different. much more somber, much more reflective. and a sense of sadness hanging in their here. now, the early hours of the morning have been reserved for vips and dignitaries to come here and pay their respects. we have seen the likes of bono, and naomi campbell. and robert move backby and those filing past mandela. we have seen tears, john, outward signs of the grief that people feel. i think it was a sign that this was a man loved byall. all walks of life. heads of government, heads of state. leaders of pop culture and snow biz all here to pay their respects. john, i really wanto mark one moment that really stood out to me. and that was seeing nelson mandela's widow gr

>> isha sesay in pretoria.her story breaking overnight, violent clashes in the ukraine, riot police moving in against protesters gathered in kiev square. let's get more from cnn's phil black who's monitoring the developments for us in moscow. phil? >> reporter: kate, the police, the riot police moved in in big numbers, hundreds of them, not with the intent of clearing out the protesters but tng down the barricades they had set up at all the entry points to independence square. as you can see, the protesters resisted, responded with big mbers of their own. there was a lot of pushing and shoving as they tried to slow down the police work. there was not any great violence, things did not escalate. this protest movement is all about the fact that many crew yannian ia -- ukrainians -- the international community believes the standoff must be solved through negotiation and john kerry issued a strong statement expressing the united states' disgust at riot police being peaceful protesters.inst kate? >> phil, thank you