making news in america this morning, breaking overnight, a violent crime spree after a knife-wielding man goes on a deadly rampage inside a mall. >> there's a killer. there's a killer, so they all get out and we all went into the bathroom. >> people ran for their lives at two separate scenes. we have the latest on the investigation and the suspect. another big victory for bernie sanders winning the west virginia primary renewing his commitment to the campaign and slowing hillary clinton's march to the nomination. we're live in washington. and a museum worker's fall caught on camera after he goes right through a glass floor. see how this one ends. and going viral, another adorable moment for steph curry's daughter stealing the show and taunting reporters.

good wednesday morning to you all. we begin with breaking news. three people are dead after a stabbing rampage in massachusetts. >> it was a wild situation. investigators are gathering evidence at multiple locations this morning south of boston, the bloodshed starting with a car crash and ending with a deadly confrontation at a mall where people ran for their lives. >> authorities just identified the suspect as arthur derosa seen here being loaded into an ambulance. abc's lauren lyster has breaking details for us, lauren. >> reporter: kendis and diane, it was a brutal stabbing rampage and by the end of it, two innocent people would be killed, the suspect would be shot and in all four victims in two separate locations would get stabbed by this man. >> all of a sudden people were hollering, there is a killer, there's a killer. >> reporter: a normal day at this mall quickly turning into a scene from a horror movie. >> a couple of noises. couldn't tell if it was a

gunshot or couldn't tell. i saw people running, kids running, younger girls running. >> reporter: the noises were those of a man on a stabbing rampage. 28-year-old arthur derosa reportedly seen here taken out on a gurney taken down by the end of his attacks but not before causing terrific mayhem starting in this neighborhood. according to authorities, this car crash involved the suspect who then reportedly forced himself into this home stabbing a mother and daughter with a kitchen knife. the 80-year-old mom dying. >> it was kind of chaos, definitely not in the right frame of mind. >> reporter: then the assailant taking this car to a nearby mall and crashing it into the front door of the macy's attacking more people once inside. then running to this bertucci's restaurant continuing his spree. >> he came from the back of the restaurant and he was walking towards the front and as he was coming, he was slashing people and people were throwing chairs at him and stuff. >> reporter: witnesses fighting back or hiding. >> i went to the beauty salon

and i told them, there's a killer, there's a killer, so they get out out and we all went in the bathroom. >> reporter: in the restaurant the suspect stabbing two more killing a 56-year-old man. kendis and diane, it was an off-duty police officer who finally brought the brutal attacks to an end shooting the suspect who died at the hospital later. a search for motive is under way. according to reports, though, police say there is no evidence of a connection to terrorism. >> and authorities saying it would have been a lot worse if not for that officer's actions. >> good thing. >> thank you. we turn our focus to the race for the white house here in 2016 and commanding victories for bernie sanders and donald trump. >> sanders won the west virginia primary easily and vowing to fight for every last vote. but even though sanders scored more than 50% compared to hillary's 36%, he failed to put a dent in her delegate lead. >> on the republican side donald trump, of course, soared to victories in west virginia and nebraska after clearing the gop

field. he's now just 121 delegates away from officially clinching the nomination. we get the latest now from abc's stephanie ramos. >> reporter: bernie sanders notched yet another victory calling his win in west virginia tremendous. >> it appears that we've won a big, big victory in west virginia. [ cheers and applause ] >> reporter: hillary clinton still holds a commanding delegate lead but sanders is not giving up. >> we are in this campaign to win the democratic nomination. >> reporter: clinton focusing on next tuesday's kentucky primary making no mention of west virginia's vote during her final event before polls closed, instead looking ahead to the general election and railing against donald trump. >> if i'm so fortunate enough to be the nominee, i am looking forward to debating donald trump come the fall. [ cheers and applause ] >> reporter: while the billionaire businessman is the last man standing in the gop race, he still continues to campaign in primary states going after the magic number of delegates needed to clinch the party's nomination.

republican voters sticking with the new yorker no matter what. >> i'm a registered republican so i might as well vote for trump but that is not who i would want for president. >> reporter: while trump preps for his big meeting with republican brass on capitol hill thursday, on the street, the white house getting pretty close to an endorsement. vice president joe biden telling abc's robin roberts this election is hillary clinton's to win. >> i feel confident that hillary will be the nominee, and i feel confident she'll be the next president. >> reporter: the vice presidency on the mind of donald trump. the presumptive nominee says he's shortened his list of vp picks to about five or six people. someone believed to be on that list new jersey governor chris christie. kendis and diane, back to you. >> no surprise there, stephanie ramos in washington, thank you. and a large part of southwestern kentucky is a scene of devastation this morning after a powerful tornado rolled through. the city of mayfield suffered severe damage to homes and businesses when it took a direct hit yesterday afternoon. at least ten people were injured

and treated at hospitals, but they're expected to be okay. and millions of people are racing for more of that today. strong storms will stretch from tennessee valley to the carolinas and the severe weather returns to texas and oklahoma. damaging winds and large hail are expected there. tornadoes are possible, as well. breaking news, dozens are dead in a car bombing in baghdad. a pickup truck packed with explosives went off in an outdoor market. several cars and buildings were heavily damaged. isis has claimed responsibility. in japan survivors of the bombings in he roche she ma and nagasaki reportedly welcoming the news president obama plans to visit later this month. he'll be the first sitting president to visit hiroshima since the city was devastated some seven decades ago. the white house says the the huskies coach presenting the

president with the rocking chair as part of the gift. >> in addition to the traditional jersey and basketball the coach brought me a rocking chair. [ laughter ] >> now, i'm not taking this as an insult. [ laughter ] i'm assuming it was meant with love, but, coach, i do want you to know i'm not going out to pasture here. [ laughter ] >> well, the president also joked that -- there goes that rocking chair -- that they'll be there next year but he won't and the uconn team, by the way, continues to set a high bar for excellence he said thus improving the entire women's basketball game. >> he seemed to take that gift in good spirits. >> he'll be using it there at his new home in washington somewhere. still ahead, what was found at prince's estate after investigators returned. and on the run. a woman involved in a wild police chase with her toddler in the car. how she got away. plus, we have new video from behind the fire lines this morning. a unique inside look at

firefighters trying to save a home in that massive wildfire in canada.

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this is one cancer you can prevent! if you're 50 or older, talk to your doctor and get screened for colorectal cancer. screening saves lives! check out this uber car stuck in a large pothole that just opened up in san francisco. a family inside was on the way to the airport when this all happened. the city says a brick sewer main from 1875 caused this sinkhole. luckily no one was hurt, not sure if they made their flight, though. there are new questions about prince's death after something discovered on a recent search warrant. it shows the singer was seen twice by a minnesota doctor in april including on the day before he died. on the morning he died that

doctor had stopped by to reveal the test results. it's not clear what those results were. a cause of death has not yet been announced for the performer. from the wildfire zone in canada's alberta province, we get this up-close look at firefighters saving a home, a camera in the doorbell capturing the footage here. this was 1 of the 25,000 homes that were saved from the flames, and you see the efforts there. the fire has scorched nearly 900 square miles. it forced a temporary stop to oil production in that area, but some operations have now resumed. fatal accidents have soared in washington state since that state legalized marijuana. according to a new study from aaa, pot was involved in 17% of fatal crashes in washington in 2014. that's up from 8% in 2013, the year before pot was legal. but aaa says coming up with a test to determine driving impairment is much more difficult with marijuana when compared to alcohol. a federal judge has blocked

a merger between staples and office depot. the ruling found the $6.3 billion deal would have hurt competition and triggered higher prices for businesses buying office supplies. staples and office depot do not plan to appeal. they say they're scrapping the idea. when we come back, a unique story of a loyal customer being rescued. how ordering a domino's pizza daily saved a man's life. and a police chase of a different kind in pursuit of a big bull. ll to lower my blood sugar. but it didn't get me to my goal. so i asked my doctor about victoza®. he said victoza® works differently than pills. and comes in a pen. victoza® is proven to lower blood sugar and a1c. it's taken once a day, any time. victoza® is not for weight loss, but it may help you lose some weight. victoza® works with your body to lower blood sugar in 3 ways:

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we're tracking severe weather that could threaten areas already damaged by spring storms and tornadoes. areas of texas and oklahoma can expect damaging winds, hail and more twisters today. severe weather is also possible from the tennessee valley to the carolinas. >> as for your morning road conditions, flooding is possible in that storm zone. expect some wet roads along throughout the mid-atlantic region and in the upper midwest. storms and lightning could cause possible airport delays in dallas, kansas city and minneapolis. an ohio mom is still on the run this morning after a police chase caught on camera. officers tried to stop erica barreiro-rapp as she left a courthouse facing felony charges. you can see her minivan backing away and then driving through yards. >> the video then shows the van crossing into oncoming traffic and narrowly missing a police car. the van then looks like it's heading to the interstate but swerves and crosses over a concrete barrier heading in a

different direction. police eventually called off the chase when they confirmed a toddler was inside that minivan. two northern california deputies are expected to turn themselves in today after being charged with assault in connection with this incident caught on camera. the two alameda county officers chased an auto theft suspect into an alley beating him with batons even though he was already on the ground. a legal battle could be ahead for the citadel, the military college in south carolina. the school has told a muslim student she will not be allowed to wear the traditional head scarf if she enrolls. the commandant says wearing the hijab would go against the school policy of having cadets look similar. now that student is considering a lawsuit. and we have some more alarming video this morning. a moment a worker falls 38 feet inside philadelphia's rodin museum. he was doing work on a building when he fell through a glass floor breaking both legs, both arms and his hip. he also suffered brain damage in

the accident four years ago. he has now settled with the museum for more than $7 million. okay, and then there's this. workers at a domino's pizza in oregon are being credited with saving the life of a loyal customer. the man lives on his own and neighbors say he doesn't come out much. when his frequent orders from domino's suddenly stopped, the team at the pizza shop knew something was wrong, so they took action. >> a few of my drivers had mentioned that we haven't seen his order come across our screen in a while, so i went and looked up to see how long it had been since he last ordered, and it had been 11 days, which is not like him at all. >> okay, so they sent a driver to the house to check things out. the driver heard the television was on, but no one came to the door. after a 911 call, deputies broke in and found the man in need of medical attention. he was taken to the hospital. we are told that he is listed now in fair condition. now to kind of a strange sight in arlington, texas,

in the neighborhood there. we often show you high-speed chases. this is more of a slow-speed chase as police started pursuing this bull. the animal stopped occasionally to enjoy the scenery and munch on some grass. >> yeah, but residents were amused sharing comments on social media. it lasted nearly four hours until a rancher on horseback wrangled the animal. >> only in texas. >> it was a moving chase. moving. >> moving. moo-ving. >> yes. >> you need more emphasis. >> emphasis on the moo-ve. some supports now. st. louis blues and dallas stars play game seven in their nhl playoff series tonight, and the winners goes to the western conference times. as for last night's playoff action let's get highlights from espn. hey there, here's some sports stuff. steph curry is the unanimous choice as the mvp of the national basketball association. more playoffs were taking place on tuesday. >> yeah, game five, spurs and

thunder tied at two games apiece. they got it on in san antonio. russell westbrook came to play. he's fantastic in this game. look at him. look at the move he put on patty mills. fell down. westbrook, 3 for 7 on threes. spurs up, 77-75. kevin durant getting in on the action. 23 points for durant. that tied it at 78. time winding down in the fourth. they're trying to foul westbrook and they eventually do, but he gets the bucket, as well, 35 points, 11 rebounds, 9 assists, thunder up and heading home for game six on thursday. ice hockey. a reminder there can be no five-on-two in hockey. here we go, game six. caps have to win. they're down, but now they're not. they tied it. john carlson on the ovechkin assist. overtime tied at three. here we go in the o.t., braden holtby makes a save, but nick bonino is standing there ready to throw it home.

penguins, 4-3 moving on to play tampa in the eastern conference final. the mariners won. >> what was the score? >> i don't know. they won, though. they won like a bunch of games. 29 games, first place, look out. >> in-depth analysis there from kenny mayne. back to you. >> thanks, guys. up next in "the pulse," more on steph curry's mvp award and how his daughter stole the show. and meghan trainor speaking out after pulling her own music video that digitally altered her body. ny foods. never thought about the coffee i was drinking having acids. it never dawned on me that it could hurt your teeth. my dentist has told me your enamel is wearing away, and that sounded really scary to me, and i was like well can you fix it, can you paint it back on, and he explained that it was not something that grows back, it's kind of a one-time shot and you have to care for it. he told me to use pronamel. it's gonna help protect the enamel in your teeth. it allows me to continue to drink my coffee and to eat healthier, and it was a real easy switch to make. hcalluses and bunions ymake them unbearable?s, introducing dr. scholl's cushions

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greek nonfat yogurt with delicious toppings like chocolate and almonds. now that's a treat! light & fit crunch. feel free to enjoy. ♪ because you know i'm all about that bass about that bass no treble ♪ >> all right, we'll start "the pulse" with meghan trainor pulling her latest video over photoshopped controversy. >> the 2-year-old singer had her video for the single "me too" taken down from youtube and vivo after realizing that her waist was digitally altered to make her look slimmer.

trainor told fan, quote, they photoshopped the crap out of me. >> trainor who is known for being confident about her body and loving her curves putting it to music in that song "all about that bass." "seventeen" was accused of altering her body. >> she does not want to be body. little riley curry, the daughter of now back-to-back nba's most valuable player steph curry is no stranger to the spotlight. only but knows how to make an entrance. >> mooging to reporters that she's got her eyes on them. she did it as she walked across the room before sitting down with mom. >> mind you that went on as her dad was answering questions about being named mvp for the second year in a row. riley's appearances at news conferences have tailed off this season so she's got to make them count and she did. i look the point afterward. you. >> so no mere lemonade stand for

a 14-year-old boy from alabama. taylor rosenthal could soon be earning big bucks for his start-up idea. a machine that dispenses first aid products. he's already turned down a $30 million offer to buy his idea. >> wow. >> taylor was inspired after traveling to tournaments with his baseball team. when he -- someone got hurt there were no band dades so he set out to solve it and says six flags have ordered 100 of his machines. >> the kid is going to be paid. scotland a true tale of puppy love. these adorable little pugs just can't get enough of their tiny 15-month-old owner. louis flynn, wherever he goes the 7-week-old pugs are never far behind. >> they paw and grab little louis as he crawls across the floor. louis's mom chronicles their love story on her instagram page. they have nearly 130,000 followers and can you blame them? >> i see a lot more youtubes in their future. >> that's really cute. >> a lot more.

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live from the kgo-tv broadcast center this is abc7 news. >> not how you want to start a trip to the airport. happen right now crews are repairing a sinkhole that swallowed an s.u.v. in downtown san francisco. the family shaken up but safe. beings. i am natasha zouves. >> the pictures are amazing. i am reggie aqui. the family talked only with abc7. we will hear from them after we hear from meteorologist mike nicco. mike? >> good morning, everyone. we will look at fog. it is forming in the north bay. visibility is okay. it could be thicker headed through the morning. the exploritorium shows the main layer is here start off with partly-to-mostly cloudy and total sun by noon but the coast is 60s, and mid-70s to low 80s around the bay and inland.

frances? >> we starting off with an injury accident on the san mateo bridge. in the eastbound direction. it is blocking a lane mid-span. traffic here is light. it is getting by okay. we will keep track of the westbound traffic which usually slows down in the morning. we will let you know in it changes. 101 is looking good for headlights from morgan hill into san francisco. >> we are following breaking news from mountain view. a driver slammed into a building at midnight. the driver was found 100' away from the car after hit the side of the building at the campus. emergency crews tended to the driver and took him to the hospital. this is no word in alcohol or drugs were a factor. a man is kill after be hit by an

electric motorcycle. on brotherhood way after 10:00 last night. he died at the scene. motorcyclist is also help juried and taken to the hospital with life threatening injuries. >> crews in san francisco will repair a sinkhole that nearly swallowed an uber fill with passengers. you will be amazed they walked away. but not without a story to tell. amy hollyfield is at mission and near montgomery. >> they had a plane in cash but this got in the way, this is what it lookings like this morning: this is the sinkhole that will snarl the commute if you use mission street. this is shut down. people stopped when the sinkhole opened up at mission and montgomery. when people were taking pictures people figured something major was happening and they thought that maybe it was a flat tire