violence and chaos in baltimore. the city plunges into a state of emergency as protests following the funeral of a man who died in police custody went out of control. >> what we're seeing isn't anger it's destruction of a community. the same community they say they care about they're destroying. a humanitarian crisis unfolding in nepal. as rescuers try to reach victims of this weekend's deadly earthquake officials warn the death toll could pass 10,000. the trial of james holmes opens in colorado, prosecutors seek to convince jurors the accused moviegoer knew what he was doing.

>> he tried to murder a theater full of people to make himself feel better. and a hero teacher puts his life on the line, tackling a shooter inside a washington high school. >> if they wouldn't have, they definitely would be last. >> this is the "cbs morning news" for tuesday, april 28th, 2015. captioning funded by cbs good morning, i'm alison harmelin in for anne-marie green. this morning, baltimore is under a state of emergency. the national guard has been called in trying to restore order in a day and night of lawless lawlessness the night after freddie gray was buried. the violence spread from west to east, gangs of rock-throwing protesters clashed with police and widespread looting. besides the national guard, the governor is requesting as many as 5,000 police from neighboring states. there have been dozens of arrests. beginning tonight a curfew takes effect and school was cancelled today.

the violence began where freddie gray was arrested last month. his death while in police custody is being investigated by city and federal officials. edward lawrence is in baltimore. edward, good morning. >> reporter: good morning, alison. right now, maryland state troopers are guarding this intersection, this is where some protesters started rioting and actually looted and burned that cvs pharmacy, this is an example of what happened all over the city. thousands of armed national guard members have taken position on the ground in baltimore, where tensions begin to escalate after the death of freddie gray. hours after laid to rest on monday the city descended into chaos. many protesters, many of them teenagers pelted officers with bricks and spray. the governor of maryland issued a state of emergency monday night. >> we had opposite ends of the city pulling us at the same time. so extra resource here will allow us to get on top of the

issues at multiple locations. >> reporter: close to 30 arrests were made. and more than a dozen officers were injured. at nighttime, members of grey's family emerged to condyle the justice. >> don't do it like this here. >> reporter: a week-long curfew goes into effect tonight. >> what we're seeing isn't anger. it's destruction of a community. the same community they say they care about they're destroying. >> reporter: gray died more than a week ago after a spinal injury after being taken into police custody. loretta lynch said the justice department will send officials into baltimore as it continues its own investigation into gray's death. and the reinforcements have arrived here in baltimore, taking positions around the city. so far, we have 15 officers injured in the riots, two of them pretty seriously. >> edward lawrence in baltimore,

thank you, edward. coming up on "cbs this morning," we'll talk to the president of the naacp cornell brooks about the trouble in baltimore. this morning, the prime minister of nepal said the death toll from saturday's massive earthquake could reach 10,000. he describes his country as a war setting as he tries to help the victims. the official death toll has now reached 4,400. at least four americans were killed by the avalanche at the mt. everest base camp. officials say they're overwhelmed by the magnitude of the growing humanitarian crisis. the destruction is so great, one official says it may be weeks before order is restored. foreign aid begins to arrive and the search for survivors continues. holly williams reports. >> reporter: in kathmandu, they worked frantically, digging through mountains of rubble with shovels and even their bare hands. this man was found alive after a search team tunneled through the wreckage to where he was trapped.

volunteer workers hope they'll find other survivors, but know they may only discover more bodies. >> we don't have the proper tools for this. whatever we have, we're just doing with our hands. if we can save somebody's life, or do some contribution, that's what we're looking for. >> reporter: now, the fear here is there may be many more dead and injured in remote villages that are still cut off from help. the quake struck just before midday on saturday. tens of thousands of people are still sleeping in makeshift camps, some of them now homeless. but others fearful that the aftershocks could bring more buildings down on top of them. nepal is grief stricken and still counting its dead. holly williams, cbs news, kathmandu. >> as we reported four americans were killed during the quake. they were among 18 people who died when avalanche struck the

mt. everest base camp. a good part of the camp is buried by snow ice and rocks. the base camp was packed with climbers prepared to make a summit attempt. one who escaped was american kent stewart. >> we just all ran out of the dining tent and looked around at all the mountains and saw avalanches coming from everywhere. almost immediately, they started bringing patients to our camp because we were the only camp that had tents that hadn't been destroyed. >> climbers have been evacuated but it's unclear how many were trapped on the mountain. and making matters worse the weather is expected to deteriorate. this morning, the supreme court takes up the constitutionality of same-sex marriage. it should be an historic moment for the gay community. and a weight shed for policy. same-sex marriage is the subject of a heated debate for years. don champion reports that argument is about to begin. >> reporter: those proponents and opponents have been waiting

in line outside the court since friday hoping for a ticket to hear what may turn out to be historic argument. >> if the supreme court dares to issue a rowe versus wade of marriage we will not obey it. >> cases like this only come around once in a generation, we're here to support not only the movement of equal rights for lesbian, gay, transgender and homosexual people but also the chance. >> reporter: same-sex marriage is legal in all but 13 states. the court will decide if it should be the law of the land. cases before the court come in four states, kentucky, michigan, ohio and tennessee. all four had their bans on gay marriage upheld by the federal appeals court in cincinnati. the justices will hear arguments on two questions, must states allow same-sex couples to marry and must states recognize smith marriages performed elsewhere. >> it's not about the marriage law. it's about fundamentally altering the culture. >> reporter: tony perkins of the

family research council is a local proponent of gay marriage. >> we stand with millenia of experience, that the union of man and women, the sacred marriage is the cornerstone of society. that's where kids learn to become citizens. >> reporter: where proponents push for same-sex marriage says it comes down to fairness. said one lawyer who will argue for the plaintiff, this case is about real people who care about each other. now, the first state to allow same-sex marriage was massachusetts in 2004. the case is so significant, justices have dedicated 2 1/2 hours for arguments. 90 minutes more than usual. a decision expected late june. alison. >> don champion here in new york, thank you, don. the trial of the accused colorado movie theater gunman james holmes begins this morning. during opening statement s jurors heard two different portraits of his mental state during the mass shooting years ago. the mass shooting killed 12 and injured dozens more. omar villafranca reports. >> reporter: james holmes sat

calm and emotionless. dramatically different than three years ago. during opening statements, prosecutors played a 911 call. the prosecution is seeking the death penalty against holmes who is accused of killing 12 people and wounding 70 others at a "batman" premiere. >> he tried to murder a theater full of people to make himself feel better, and because he thought it would increase his self-worth. >> reporter: the district attorney revealed the results of mental evaluations performed by two court-appointed doctors. >> both of them say the same thing that that guy was sane, when he tried to murder all of those people in that theater back in july 2012. >> reporter: holmes pleaded not guilty by reason of insanity. his attorney said the 27-year-old had a psychotic episode and is schizophrenic. >> he was not in control of his actions. he was not in control of what he perceived to be reality. >> reporter: holmes' lawyers say psychiatrists treated their client after his arrest for hearing as many as eight voices. and says holmes has a family

history of mental illness. prosecutors must prove holmes' guilt and sanity beyond a reasonable doubt. >> that's what the jurors have to consider, is what was his mental state at the time. now whether he seems to present as a sane person now. >> reporter: the trial is expected to last at least four months. omar villafranca. cbs news, centennial, colorado. coming up on "cbs this morning," more testimony in the boston marathon bombing trial. and serious flooding to the south to the south parts of texas. and later, a teacher risks his life to take down a school shooter. this is the "cbs morning news." i have this thing called psoriatic arthritis. i had some intense pain. it progressively got worse. my rheumatologist told me about enbrel. i'm surprised how quickly my symptoms have been managed. enbrel may lower your ability to fight infections.

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while the world needs saving... prizes need winning, at subway. grab a 30-ounce drink or doritos snacks for a chance to win subs for life movie tickets, and more. and catch marvel's avengers: age of ultron, in theaters may 1st. subway. where super heroes eat. muddy water flooded roads made driving dangerous south of dallas monday. severe storms lashed parts of texas with several inches of rain. in tiny maypearl, the waters

washed over a bridge and cut off part of a town. several homes were flooded. in louisiana powerful winds blew railcars from an elevated track monday. ten shipping containers with cars plunged at much as 60 feet to the ground employee. they ripped down power lines as they fell. no injuries were reported. heavy rain risks bringing flooding to the gulf coast. forecasters say damaging wind and hail are also a threat along with isolated tornadoes. testimony resumes this morning in the penalty phase of dzhokhar tsarnaev's trial. jurors heard from defense witnesses monday including his older brother's former mother-in-law. judith russell testified about tamerlan's brand of nationalism and politics. she said her daughter katherine became isolated from their family after starting a relationship with tamerlan. defense attorneys want to convince jurors that tsarnaev was only following his brother. kris van cleave reports.

>> reporter: he called the prison in colorado the better choice for everyone as he began the case to save the life of dzhokhar tsarnaev and send send tsarnaev to prison. he says he goes here and he's forgotten. no more spotlight as the death penalty brings. his legal case will be over for good and no martyrdom. the defense team is trying to convince jurors that it was a radicalized tamerlan tsarnaev. who masterminded the bombing and without tamerlan dzhokhar never would have participated. the same jury that convicted tsarnaev now have to decide on his punishment, life or death. there is no point in trying to hurt him as he hurt because it can't be done, rupp said, there is no evening the scales. kris van cleave, cbs news, boston. straight ahead, dog chew

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here's a look at today's forecast in some cities around the country. on the "cbs moneywatch," a dog treat recall and michael jordan's large basketball

sneakers fetch a big price. jill wagner at the new york stock exchange with that and more. good morning, jill. >> good morning, alison. big time iphone sales drilled apple's first quarter. after the market closed yesterday, apple reported $58 billion until revenue for the first six months of the year. and $13 billion in software. apple sold 61 million iphones. apple sales grew 72% in china. overall stocks on wall street were lower yesterday. led by a sharp decline in companies. the dow fell 42 points. the s&p lost 8. and the nasdaq finished 31 points lower. espn is suing verizon. verizon has removed the sports network or unbundled it from its main programming lineup of fios tv. verizon is allowing customers to buy a bare bones package of 35 channels without espn for $55 a month.

it can add more programming including espn for an additional cost. espn said this is a breach of contract. chipotle has stopped used genetically modified products from its food. it's become the first fast food restaurant to become gmo-free. younger diners seeking more organic, less processed food. nylabone is recalling one of its dog choose because of possible salmonella contamination. it was distributed through an online facility. no illnesses have been report d nylabone said it to be taken to to the vednarian. and michael jordan's sneakers during his rookie season was auctioned for more than $71,000. jordan autographed the sneakers and gave them to a ball boy.

the buyer wants to remain anonymous. previously a pair of sneakers sold for $104,000. alison. >> jill, you know i would never criticize expensive shoes but that seems extreme. thank you, jill. when we return high school hero, a popular teacher is being praised for his quick thinking when a teenage shooter opens fire in school. thanks. i'll try that. by the way... (chuckles) nancy, delicious! and this new kibble blend is so healthy. thank you. no... thank you. thank you. thank you. thank you. thank you! kibbles 'n bits. because every bit matters. ghirardelli of san francisco. we carefully craft the finest chocolate so you can savor life's sweetest moments.

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here's a look at today's forecast in some cities around the country. here's another look at this morning's top story. baltimore erupts in violence following yesterday's funeral for freddie gray who died while in police custody. rioters clashed with police and looted stores. the governor declared a state of emergency and called in the national guard. dozens have been arrested and at least 15 police officers injured.

school is cancelled today and a nighttime curfew begins tonight. the u.s. navy said a second s.e.a.l. involved in a swimming pool training accident has died. brett allen marihugh died and seth cody lewis died friday after the men were found unresponsive at the bottom of the pool. they were taking part in a base. neither was using diving equipment. the navy is investigating. a washington state high school teacher is being hailed this morning for his quick response to a campus shooting monday. police say a 16-year-old student fired two shots inside a north thurston high school about 60 miles southwest of seattle. social studies teacher, brady olson rushed to the scene and took down the gunman. >> he's a good teacher. i respect him. and this makes me have more respect for him now that he risked his life for everybody. >> in a statement he said he's thankful that everybody is okay. police say the gunman may have

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one of the world's most dangerous cycling races is gaining popularity. riders compete on bikes with no brakes. adriana diaz takes us to the race right here in new york city. >> reporter: at top speeds, around hairpin turns and at the competitor's own risk, the red hook criterium or the credit for short is a high-stakes no brakes bike race sweeping the cycle world. without brakes sudden stops are not an option. riders can only push against the fast moving pedals to slow down.

kasey mander field lawyer ranked number one in the woman's division and placed third. >> it is a road game and you're in it. somebody crashes and burns could be you, literally. >> reporter: the crit takes place at night. riders speed around a three-quarter course 23 times. if you're lapped you're out. it ranges from bikers to professional requires. ambulances are always on standby. the credit has expanded to milan, barcelona and soon london. >> it's like a tunnel of noise and everybody is screaming and cheering. you know, it's exciting that way. >> reporter: that energy has kept manderfield-lloyd returning to the course since winning the very first red hook race in 2008. >> oh, my god, she beat him! >> reporter: it began as a birthday party, in 2008, he was looking for a way to celebrate his 26th birthday if his red hook brooklyn neighbor. but the crit isn't sanctioned by

a federal cycling operation which would provide deep pockets for insurance injuries. in 2013, 15-year-old joshua hartman fractured his nose, eye socket and jaw w in brooklyn. participants sign a waiver which lays out the dangers of the event and now must be 18 to participate. >> any sport where you're going fast or competitive is dangerous. i don't think red hook crit is more dangerous than an amateur race in central park. >> i think most people would be absolutely horrified to know that people are racing bikes without brakes. that's definitely the thing. people are like, what, it doesn't have brakes? how do you slow down. it's very hard to understand when you explain it like there's no coasting. they're just kind of like, oh, yeah. the best way to understand is to hop on one of the bikes and you're like, all right, now, i get it. >> one, two, three, push, the other foot up the pedal is down -- >> reporter: okay. >> you're good. you're good. resist your pedals.

>> it is seen as being more risky in general by most racers. there you go. >> reporter: is that a part of the draw to the race? >> yeah, i think so, you know? it's hard core. it's bad ass, it's all of those things, you know? and people like to be part of that, right? they're like, oh, yeah i did that. >> reporter: adriana diaz, cbs news. >> that's the "cbs morning news" for this tuesday. thanks for watching. i'm alison harmelin. have a great day. thanks for watching the "cbs morning news."

we are following some breaking news this morning. we are following a multicar

crash. this is on 880 in san leandro. and we can see the backup there. these leans are closed and -- lanes are closed and liz has more on that in just a few seconds, good morning everyone, it's tuesday, april 28th. i'm michelle griego. >> might take a little time to get into work too. hi everyone, i'm frank mallicoat. it's 4:30. out of the gate and liz no just a moment. but first let's take a beautiful day at least the beginning huh? it's warm. we had record warm temperatures yesterday. 82 degrees in oakland. that was a record and just as freeway forecast, temperatures will come down significantly today as a result. right now we are in the 40s and 50s with areas of drizzle along the coast and into the bay. we have highs today coming down a good 10 to 15-degrees in many of the neighborhoods. 58 at the beaches and warm spot will be 80 in gilroy. here's liz. okay back out to the traffic alert now in san leandro. you can see we already have a traffic jam growing in the northbound lanes of 880. this is all approaching the davis street exit. the crash