that is on southbound 680 right near livorna road.hat i'm told is that this was some sort of traffic stop. exactly what led to the gun sfooir still unclear. that's still part of the investigation. but the scene out there shows a jeep and also a chp cruiser with its doors open. i'm told that jeep actually has its driver's side window broken out. there's also an ambulance out there. what officers are telling me is that it was actually another driver who saw what was going on and called 911, and walnut creek officers were among those responding. a second officer arrived but was not involved in the gunfire. we're told that officer administered medical help. they were looking for a second car earlier, a blackney san maxima. i'm told that was found, that alert canceled. we're told that the officer and the suspect taken to the medical center, again, in serious condition. we asked about whether any -- there was any concern for public safety, and at this point we are told no. but, again, contra costa county sheriff's department is the lead age

witnesses tell kron 4 news the officer had pulled over the jeep on southbound i-680 at livorna road at about 8:20 a.m. tuesday. it's unclear why gunfire was exchanged. the officer sustained potentially life threatening wounds. a all lanes were shot down. for several hours. the northbound lanes at 1:00 p.m. however the south bound lanes remained closed for several hours. stay with kron 4 www.kron4.com the latest conditions on the officer in the investigation. >> 6:03 let us let you get started with the weather. >> good morning. it is goin to fallb--follow some fog anticipated on the coast. however, the introduction of a minor chance of thunderstorms. mainly at the higher elevations. bay-area wide, some light possible lightning strikes. the possibility exists. and we will take a look at home on this thread of thundershowers will stay with us. if it is longer today? we will speak more about that. >> a decent commute. with no hot spots for the north bay. the light and easy. for the commute on interstate 580. coming out of tracy. for the east bay, just two different areas. highway no. 4 and

take map ....sobre la autopista 6-80 a la altura de la calle "livorna",justo al sur de la ciudad de walnutek. blanca take vo ---el incidente causo una gran movilizacion de patrullas, ambulancias y equipos de rescate que acudieron al llamado de auxilio pero el trafico se detuvo en ambas direcciones creando un colosal embotellamien to en ambas direcciones. ---pilar niÑo nos tiene el recuento.. 0:01 0:14 0:43 1:40 todo empezo cuando hacia las ocho y media de la manana, dos oficiales de la patrulla de caminos detuvieron un jeep wrangler color verde, que iba por la autopista 680 hacia el sur...era aparentement e una violacion de trafico de rutina... jimmy lee/dep.del alguacil de contra costa one of the officer uno de los oficiales contacto al conductor, y el conductor saco una pistola y le disparo al oficial hiriendolo severamente. el oficial fue transportado en ambulancia al hospital john muir medical center en walnut creek. alli durante todo el dia oficiales de diferentes agencias se han hecho presentes. bien mal, era amigo y amigo y hermano de la agencia 10:38 llegaron a dar apoyo a la famil

officer kenyon youngstrom in the head soon after youngstrom approached his jeep wrangler on 680 near livornaoad. youngstrom's partner stopped lacy in the first place because of an obstructed license plate. lacy was shot by that officer and he later died at the hospital. officials say he had one prior arrest in 2006. of course, you can find out the latest information online, nbcbayarea.com. >> friends and family at the hospital praying he recovers well. let's toss its over for one final check on the weather. christina loren here to tell us what's happening outside. >> it's going to be pretty much a slow commute, i can tell you that right now weather showers on the radar. a lot of people not expecting this kind of activity as they make their way out their front door. right now the bulk of the moisture is still concentrated in the south bay, but we have showers along the peninsula up in san francisco starting to get a little activity there even in the north bay as well. so what's to come? well, as we head throughout this afternoon and it gets hotter we still have an unstable air mass. we could

it all started with a traffic stop near the livorna exit. the chp says the driver started shooting, much of the area around the scene was shut down all day. 680 literally coming to a stand still during the morning commute. and it's still a problem right now. we have a series of reports, monty frances is at the medical center in walnut creek where a vigil continues, the officer is fighting for his life, but we begin with sheryl herd. >> traffic is slowly getting back to norm after a officer involved shooting -- the suspect is dead and the chp officer in critical condition tonight. it all began at 8:20 this morning. a chp officer pulled over the car you see here. police are not saying why the car was pulled over. contra costa county spoke person jimmy lee. >> one of the officers contacted the driver, the driver then pulled out a gun and shot at that officer, severely injuring him. that officer was taken to the medical center and is now in critical condition. the identity of the officer is not being released at this time. >> as you take a look

from 24 down to livorna is the closure for the southbound side. northbound at stone valley road.o stone valley road from moraga. tyson valley boulevard to olympic will get you around most of that area. the surface streets are jammed. there's your backup. 680 exclusively. highway 13 is an option if you head south down to eastbound 580 and that will take you down to the castro valley y. it will add more mileage but at least you're moving. there's the y itself and the commute still slow because of the volume of traffic. a tough stuz around the bay but the worst in walnut creek, the south bay, very clear now. back to you. >>> coming up in 30 minutes, the latest on the breaking news. >>> could you do me a huge favor? >> could you not do that, please. >> could you pass me that blanket? >> could you just turn it down? >> i had to get up at like 6:00 this morning. go to my bag. go to my purse. did i lock the door? >> love these guys. we are back on this booze day tuesday with more of "today." that's "stuff girls say." the viral video had millions of hits on youtube. >> they are the autho