Page 2 - Alan Hern News Today : Breaking News, Live Updates & Top Stories | Vimarsana

april 20th has turned into an unofficial counterculture holiday.that's been growing in size over the years. but as kron four's philippe djegal shows us from cellphone video. that mellow celebration also turned violent. what started this brawl? we don't know. but what we do know. is that it got out of hand, quickly. and, dozens of people were involved. who were possibly intoxicated. pushing, shoving, punching. people getting thrown to the ground. and, eventually, a man grabs a guitar. and, smashes another man on his side with it. here's another angle of the man wailing the guitar. the...

camera these days, you can do a lot better than just five or ten years ago. >> you really can. not only that, but a lot of the video and photographs that can be collected from different surveillance video and people's cell phones, that can be enhanced. you can get a sharper and sharper picture. that can be used. you can use just looking at it and trying to figure out who it is. you can compare it it to motor vehicle registrations. you can do facial recognition against that. these are all the tools they have to try to help identify the individual once they have someone who looks to ha...

more than 140 others were injured. the explosions were about a block apart - and happened within seconds of each other. some victims lost limbs, suffered broken bones, shrapnel wounds and ruptured eardrums. of those hurt, officials say, at least 15 are in critical condition. police have no suspects in custody. however, police are searching an apartment in a boston suburb. in connection to the deadly blasts. officials in washington say, there has been no immediate claim of responsibility -- but the attack is being treated as an act of terrorism. what's still not clear is whether it is...

tried to get shots of their loved ones crossing the finish line, and they may have inadvertently captured not only either one or both of these explosions but something else that may prove helpful to law enforcement in the coming hours, days and weeks. >> if you see something, say something, and that's what they're counting on, but the investigation obviously is just beginning here, and so much now. >> much more ahead on "nbc nightly news". -- >> bring out the best in others, the ones they seek to harm. >> right, there's still discussion obviously whether this was international terror...