nbc s kristen welker joins us live from oakland. kristen, is there concern these riots will continue throughout the weekend? reporter: well, there is certainly that concern, tamron, but a lot of people are hoping that last night was the worst of it, and it did get violent at times. take a look at the aftermath, tamron. right here you can see this smashed-out window at sears, scenes like this playing themselves out throughout oakland this morning, several businesses damaged in last night s protests including a foot locker, a bank and a jewelry store to name just a few. let s take a look again at some of those protests that happened last night. again, hundreds of people did turn out. they are angry about this involuntary manslaughter verdict that was handed down yesterday. they were throwing bottles. they were screaming obscenities at police, and they were smashing business windows. in fact, a lot of business owners actually boarded up their windows to try to prevent those angry protes