6:00. >> cbs weekend news is nex cbssf.com. we will have all the latest at 6:00 tonight. we will see you then. captioning sponsored by cbs >> quijano: reuniting families torn apart. dundreds of migrant children separated from their parents at oe border are expected to be back with their loved ones by bue end of this weekend. >> set the children free! set the children free! >> quijano: the border crisis fillows president trump to las vegas where he talks taxes and trade and fires up republicans. >> build the wall! build the wall! >> quijano: also tonight, why white house press secretary sarah huckabee sanders says she was asked to leave a restaurant. the south carolina congressional candidate who won a major upset this month is seriously injured in a car accident.

and is the sleeping giant beneath yellowstone national park awakening? ( cheers ) s >> quijano: good evening. nem elaine quijano. ese department of health and human services is scrambling to reunite families separated at the border under president trump's zero-tolerance immigration policy. hundreds more children held by customs and border protection were expected to be back with t.eir parents by last night. ineya villarreal is in tornillo, texas, with the latest on the border crisis. >> set the children free! set the children free! >> reporter: protesters along the south texas border took a stand against the separation of families, stopping a bus briefly while chanting, "set the children free." >> te eldozen children could be they're in cells, and they are in cages. >> reporter: 25 members of congress spoke out saturday after gaining access to the federal detention facilities near mcallen, texas.

>> and we asked to speak to somebody who was there, and, as they opened the door, these 20 or 30 mounds of silver mylar became little girls. odey stood up. ehey were scared. some had been crying. >> reporter: but the government's plan to reunite families has been slow and confusing. at a bus station near the border, dozens of immigrants, families with small children, were released friday. a few had on ankle monitors. this woman says she was separated from her 15-year-old sister and has no idea what will arppen to her. >> most of the parents are still in the criminal process. te reporter: melissa lopez is part of the legal aid group that works directly to reunify families. >> they don't know where their kids are. >> reporter: they even focus on their asylum cases? >> no, when they get into court, their first and only concern has efen their children. >> reporter: is there any effort to reunite those families that have already been separated? >> the government is not making dy effort to do that.

efforts to reunite children and reconnect children is being done r: agencies like ours. as reporter: customs and border protection was going to expedite eeuniting families, but lopez says the government doesn't have the infrastructure to do that. elaine we do know, that migration attorneys are now recommending the use of this tent city in tornillo lasporarily. >> quijano: president trump was in las vegas today and on twitter, blasting democrats in congress who are demanding a government audit on the process of separating migrants. here is weijia jiang. >> our issue is strong borders, ur crime. no reporter: president trump added fuel to the immigration firestorm at the nevada republican party convention in las vegas. t- we want a merit-based system so they can help us. ,(cheers and applause) l need people to come in, but they have to be people that love elis country, can love our reuntry, and can really help us to make america great again. >> reporter: the comments cap af a week filled with controversy and confusion at the buthern border, w

the families separated by the tiministration's zero-tolerance policy are still waiting to be reunited. the department of health and human services has formed a new task force to tackle the challenge. >> we're going to have a lot of happy people. nt reporter: the president seemed to have a change of heart when he temporarily stopped the separations with an executive order, then urged congress to find a permanent solution. opt on friday, he tweeted, "republicans should stop wasting eheir time on immigration until after we elect more senators and congressmen/women in novber." >> the fact is, we need more republicans because the democrats are obstructionists. they won't vote. >> reporter: the debate seemed to spill over into the private lives of three administration officials this week. press secretary sarah sanders says the owner of a virginia restaurant kicked her out last p.ght because she works for president trump after protesters disrupted the meals of two al cine. >> quijano: weijia jiang, thank you.

the immigration controversy has ffnited not only protests but also efforts to help migrant families at the center of the teisis. here's carter evans. rs car horn honking ) il reporter: protesters flocked to the federal building in los angeles today to donate toys to children who were ripped from er.ir parents at the border. >> it's a pretty overwhelming response. >> reporter: on friday night, haey rallied outside the federal jail downtown where detainees have been housed. about 100 separated children are believed to be somewhere in the city. in san diego, protests continued downtown, an effort to pressure the trump administration to reverse its zero-tolerance immigration policy. >> shame! shame! shame! >> reporter: along the border yesterday, senator kamala harris visited a detention center where smigrants are being held. >> these mothers have shared their stories, their personal stories that are a story of a human rights abuse being committed by the united states government.

>> reporter: back at the rally in l.a., maria vasquez says she knows what the children are going through. ntu left your family in guatemala, you've spent months in detention. you now have been granted asylum. is it all worth it? >> yes, it's all worth it, and i'm not one of the persons that trump thinks i am. >> reporter: this group is now oranning to bring its protests to the border and deliver the thys they've collected to one of the detention centers. meanwhile, california state regulators are beginning inspections of those facilities. elaine. >> quijano: carter evans, thank tsu. a large number of migrants are alying to escape poverty and violence in the central american iuntry of el salvador. omar villafranca is there with the story of two brothers who were deported from the u.s. >> reporter: we're in the rural mountain town of jucuapa, about two hours outside of the s tion's capital. and there's two brothers here who were recently deported from the u.s. and had to move back here after they had set up their

life more than 1,900 miles away in maryland. the last time diego and lizandro claro walked these streets, they were still kids. now, 20-year-old lizandro feels like a stranger in his own country. is maryland home or is this home? >> i feel like maryland is home. it might not be my country, but that's where my parents are. that's where my family is. ho, i feel at home where... where my family is. >> reporter: their father has temporary protected status in the states, so when they were ten and 13 years old, their parents bought them tickets to the u.s. they used someone else's utssport to get on the plane but were caught in the states. did you guys know at the time? s> no. ewas really young. i didn't.. i didn't know what was happening. i was just trying to be with my parents. >> reporter: they tried to seek asylum and were going to be sent back but were granted a stay of removal.

they frequently had to check in with immigration officers as their case spent years in the court system. in that time, diego graduated from high school and was studying software engineering at a community college while working for an autobody shop. lizandro also finished high school, and his soccer skills earned him a scholarship to a north carolina school. but then, their fate changed haring a routine immigration appointment. were you shocked? >> i was. but, you know, for being a strong guy for my brother, because, you know, i'm the oldest one. >> lizandro! >> lizandro! >> is somebody! >> is somebody! >> reporter: the decision set erf a series of protests. supporters argued that they were in school, hadn't committed any major crimes, and both were allowed to legally work. but it wasn't enough. and late last year, they were deported back to el salvador. back in their home country, the claros say they can't find work. lizandro is going to school in

nicaragua, but both brothers toel they're missing out on what was supposed to be a bright future. were you starting to live the american dream in maryland? >> i was. >> reporter: omar villafranca, cbs news, jucuapa, el salvador. >> quijano: in south carolina, a congressional candidate who pulled off a major upset this month was seriously injured last night in a car crash. katie arrington has a number of broken bones and internal injuries that will require surgery. she is said to be alert and able to talk. president trump endorsed arrington in the primary and sent her his thoughts and prayers on twitter today. a police officer in east pittsburgh, pennsylvania, remains under investigation this weekend after he shot and killed a 17-year-old boy who was running from the police. nikki battiste has more on this. >> what is his name? >> antwon rose, jr. >> how old was he? >> 17. >> reporter: rain did not silence protesters in pittsburgh saturday morning...

>> we will continue to fight! >> reporter: ...who marched for a fourth day. it comes after four arrests last night... >> what do we want? >> justice! o when do we want it? >> now! >> reporter: ...during protests where demonstrators sang and chanted outside a pirates itseball game, opposite a line of cops. the outrage comes after police officer michael rosfeld shot 17-year-old antwon rose on tuesday. ( gunshots ) inis video shows rose running from rosfeld just after he jumped out of a silver chevrolet t,spected in a drive-by shooting 13 minutes earlier. rose was shot three times and later died. the district attorney confirmed rose was unarmed as he ran from officer rosfeld, but he did have an empty .9-millimeter handgun clip in his pocket, and two handguns were found in the car. >> he just ran. running is not a death sentence. >> reporter: police are still looking for another person who ran from the car.

officer rosfeld remains on paid leave and, elaine, antwon rose's funeral is planned for monday. >> quijano: nikki battiste, peank you. european countries are at odds over what to do about hundreds of migrants stranded at sea tonight. roxana saberi has more on this from our london bureau. >> reporter: another weekend, another arrival of hundreds of migrants rescued at sea, thankful that spain is letting them land. last saturday, the country took a a ship full of migrants turned away by malta and italy. now those two countries are refusing to take in another rescue ship, this one run by a german charity, leaving it y'rift. italy's interior minister matteo salvini said, "my task is to defend the borders of this wonderful country which cannot become a refugee camp." veese recent episodes have exposed the deepening divisions in europe over migrants, even though the u.n. says the numbers anriving by sea are dropping from more than one million in

2015 to around 40,000 so far this year. anti-immigration sentiment has fueled the rise of far-right nationalists in italy, austria, and poland. and in hungary, which has built border fences to keep migrants out, parliament passed laws this week threatening to jail people who help asylum seekers. several countries have said they'll boycott an emergency summit on migration set for prnday. italy's prime minister says he will be attending, but only after being persuaded by german chancellor angela merkel. ceaine. >> quijano: roxana saberi, thank you. coming up, she worked for a drug maker accused of fueling the opioid crisis and claims she was trained to use shady sales tactics. later, is a supervolcano about to blow at a u.s. tourist hot spot? ...food ...and farxiga, the pill that starts with "f". farxiga, along with diet and exercise, helps lower a1c in adults with type 2 diabetes.

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including the remainder of its amles team. the company faces a wave of lawsuits, accusing it of fueling the opioid epidemic. a woman who quit the company years ago tells us deceptive sales tactics continued, even after a major lawsuit was settled in 2007 with the u.s. government. here's tony dokoupil with a cbs news investigation. >> i think they misrepresented to the public. i think they misrepresented to their salespeople. and, yeah, i think it was just a big charade. >> reporter: carol panara says she joined that charade in 2008 as an oxycontin salesperson for perdue pharma. so, bottom line, sell as much as you can. >> sell as much as you can. >> reporter: to what end? >> to making money. to making money. >> reporter: just a year earlier, purdue had admitted it falsely promoted oxycontin as less addictive by, among other means, claiming the drug's r ow-release formula did not cause a buzz or euphoria. the company said the

misstatements ended in 2001. but amid a widening addiction epidemic, panara claims the company taught her to tell doctors that some patients might only appear to be addicted. in training, she was given a term for this: "pseudoaddiction." did this concept of pseudoaddiction come with studies backing it up? >> we had no studies. we, actually... we did not have any studies. that's the thing that was kind of disturbing was that we didn't have studies to present to the doctors. >> reporter: you know how that sounds? s i know. 2.. i was naive. >> reporter: a 2015 study published in "current addiction reports" found no empirical evidence to support pseudoaddiction as a diagnosis. in a statement to cbs news, purdue said it is confident that oxycontin sales have been consistent with the information contained in the f.d.a.-approved thel. but the word "pseudoaddiction" doesn't appear on oxycontin's label, and a spokesperson for ede f.d.a. said the labeling is

not intended as a discussion of pseudoaddiction. >> i reject any notion that there's science behind pseudoaddiction. >> reporter: oklahoma attorney general mike hunter is one of two dozen a.g.s suing purdue and other opioid manufacturers. many of the lawsuits mention rs.udoaddiction. do you think this is an epidemic that begins with purdue pharma and oxycontin? >> yes. >> reporter: that's the start of it all? >> yes. >> reporter: carol panara, who quit in 2013, said she hopes the drug maker is held accountable. do you regret the five years you spent with purdue pharma? >> i'm going to sum it up and ory this: i think that was one of the, if not the worst career decisions of my life. >> reporter: tony dokoupil, cbs, news, new york. >> quijano: still ahead, how airlines are cutting costs by making their planes lose weight. little things can be a big deal. that's why there's otezla. otezla is not an injection or a cream.

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>> quijano: we e yellowstone national park, a tourist hot spot that's home to an ancient, underground supervolcano, a sleeping giant that's been mostly quiet for thousands of years. but as jamie yuccas reports, recent eruptions have some wondering if the giant is awakening. ( crowd screaming ) >> reporter: steamboat geyser, the world's tallest and far more powerful than old faithful, is roaring back to life. >> oh, my gosh! >> reporter: steamboat has erupted nine times in three months. prior to that, it erupted just ten times in 27 years. and, yes, it can do what kilauea has done on hawaii's big island, only much, much bigger.

( cheers and applause ) a supervolcano. because this geyser field at yellowstone national park lies on top of an active volcano with multiple chambers of magma from deep beneath the earth, the same energy that causes geysers to blow could spew an ash cloud as far as chicago and los angeles. >> it's amazing to think of the scale of these eruptions. >> reporter: mike poland is the scientist in charge of the yellowstone volcano observatory. the eruption that created the park was 70,000 years ago, and there are no signs of that happening any time soon. ent scientists do want to know what's behind the most recent activity. >> we see gas emissions. we see all kinds of thermal e tivity. sat's what yellowstone does. that's what it's supposed to do. it's one of the most dynamic places on earth. >> reporter: and the least-predictable geyser in the park is steamboat. it could erupt in five minutes, five years, even 50. but no one really wants to turn away. >> that would be a chance in a lifetime.

i would be amazed. >> reporter: timing is everything. only a lucky few get to see .his. >> oh, wow. >> we all want to see this kind of thing. i mean, i'm sort of hoping it goes off right now. >> reporter: poland's team of ollcanologists are using thermal imaging equipment to track the temperature of the 50-mile-wide magma field. they also monitor 28 seismographs, because a supervolcano would include major earthquake activity. that so much is happening now is a boon not just for scientists, but for science enthusiasts like hannah gilbert. >> this is amazing. this is a nerd's paradise. >> reporter: is this like a super bowl? >> yes, yes, just so much better. >> reporter: jamie yuccas, cbs news, yellowstone. >> quijano: that's the "cbs weekend news" for this saturday. later on cbs, "48 hours." for more news any time, go to our streaming news channel, cbsn, at cbsnews.com. i'm elaine quijano in new york. for all of us at cbs news, thank you for joining us and good night. captioning sponsored by cbs

weekend.. and we've already seen a couple of close calls. now at 6:00 the fire danger is rising right along with the temperatures this weekend and we have already seen a couple of close calls. >> you could hide all you want. the whole world going to see you, boo. >> this video shot near at&t park going viral tonight. why the woman on the phone allegedly called the cops on an 8-year-old african-american girl. outrage tonight over plans to potentially turn a former east bay military installment into a detention camp for my grant families. good even -- migrant families. >> people came out on both sides to protest the trump administration's zero tolerance policy. a large group gathered for a rally. protesters raised sign has read

abolish ice and families belong together. >> here in san francisco we are and will always be a sanctuary city. >> meanwhile the u.s. navy is looking for places to set up immigration detention camps and according to time magazine a former bay area military come -- compound is on the short list. >> well you look back here, there is really no infrastructure on this old base except for some military bunkers. yet the navy is exploring the idea of putting up tents and housing up to 47,000 undocumented immigrants here. a vocal group protesting outside of the west county detention facility in richmon