News coverage of this mass shooting in las vegas. The worst in modern American History as we keep pointing out. Brian williams here with you at nbc news headquarters in new york. Since this tragedy we have watched the city of las vegas come together. We have watched blood drives that threatened to overwhelm clinics today. We have seen donations of goods and food for victims and families and First Responders. So many items donated they had to politely tell people to cool it tonight. And then tonight multiple vigils in las vegas and other cities around our country. Correspondent jo ling kent is back with us. Shes at one such vigil location in las vegas. Jo ling, the last couple you spoke to, when they talked about the dynamic, Walking Around this music festival, if you accidentally gave somebody a shoulder, ran into someone, you would turn around and say forgive me, excuse me. Just that it was a very it was a polite such a light gathering that was met with such a vicious and brutal end.