investigators figure out ho that train took off without an operator. take a look. that' s a radio and cord from the mbta train wrapped around what' s known as the dead man' s switch. the operator needs to apply constant pressure to the switch or the train will not move. december 10 just after 6 a.m. when the train took off, the operator david vasquez got out of the train to fix a track problem. it went five miles before power was cut stopping the train. no passengers were hurt. the report includes a written statement from vazquez where he says, "i was putting on my gloves with the mic cord on top of the dead man switch. i forgot and misplaced what i had done after talking to the dispatcher." train operators are prohibited from reading those switches.

from his job. karen anderson, newscenter 5. heather: more breaking news -- new hampshire confirming its first case of the zika virus. state health officials say a woman contracted the virus after having sexual contact with a man who had symptoms after recently traveling to a country where zika is spreading. they add the woman was not pregnant and has fully recovered. phil: voters in a dozen states and american samoa heading to the polls this tuesday. hundreds of delegates are of for grabs. we could see the field the shrink dramatically. heather: polls here in massachusetts are open until 8:00 tonight. we begin with janet wu live in west roxbury. janet? janet: we could break a record here in massachusetts today. secretary of state bill galvin is looking for a lot of independents to pick up republican ballots. and in traditionally democratic wards, there'

hillary clinton. the election ward here in dudley square' s had voting at midday not as high as 2008 but deftly on track to beat 2012. >> i believe hillary is one of us anyway. bill and hillary have been about the community. janet: for others, it is a longtime new england connection bringing votes. >> when he was an elected official in vermont and i was looking for scholarship money for kids, he helped me get it. it is as simple as that. >> i have seen a picture of him where he did some civil rights work, but i honestly never really heard of him. when i was born back in the day, i should' ve heard something by now. >> bernie sanders seems like he has a lot of fresh ideas. we have to give him a shot.

want a woman president. we are overdue. janet: the secretary of state points out the website that points out the he polling stations had more visitors today than in 2008. >> the question was if the democratic turnout would meet 2008. i' m encouraged that it will. we are seeing very high turnouts, a lot of young people voting. janet: there is a particularly high turnout of new voters in the words with college students. we will have that story at 6:00. janet wu, wcvb newscenter 5. heather: former president bill here in massachusetts campaigning for his wife. with bernie sanders. newscenter 5' s rhondella richardson' s live in new bedford tonight. rhondella: bill clinton was out shaking hands. folks were surprised that he is

while democratic front-runner hillary clinton campaigns in minneapolis on their day of caucuses, her husband, the former president, greeted voters near button woods park zoo with a get out the vote for hillary message. president clinton: we can all rise together. hillary says the way to do it is to build ladders of opportunity and break down the barriers. rhondella: the largely clinton-friendly crowd did have a few bernie sanders supporters. >> she is bought and paid for. bernie sanders is not. he has never accepted any major corporation. rhondella: before new bedford, bill clinton visited a polling place in west roxbury and made a stop in taunton. thrilled to see him stumping for his wife. it was fun. rhondella: candidate clinton talks of her experience with

mrs. clinton: i am speaking up against bigotry and bullying. rhondella: vermont senator sandersm in minnesota three times since friday, today cast his own democratic ballot. mr. sanders: we are very proud of of what we are doing. this is a campaign that is going to the philadelphia convention. rhondella: he wants to go until at least july. meet up with his wife. tonight, they will watch the returns. new bedford mayor said his visit likely rose the turnout here. phil: on the gop side, donald trump is looking to build a lead now. newscenter 5' s reid lamberty continues our coverage tonight. reid: almost 600 delegates up for grabs in the gop field. donald trump is in the driver seat with the remainder -- remaining republicans hoping to stall his momentum. ted cruz targeting texas. marco rubio aiming for a win anywhere.

roadblock to the white house. mr. trump: hillary clinton can t be allowed to do the job because what she did was a criminal act. she shouldn' t be allowed to run. reid: trump campaigning in a state not even voting today, ohio. its primary in two weeks, a possible indication that the gop front-runner is confident the s cruz, voting in texas, says the field needs to narrow. mr. cruz: what donald is benefiting from is a fractured opposition. one on one, not only do i beat donald trump, i beat him resoundingly by 16 points. reid: nearly a quarter of the delegates needed to win are up for grabs on this super tuesday. stops in states voting today, urging minnesota voters not to cast a ballot for a man he calls a con-artist. mr. rubio: donald trump will be an embarassment to america, will be an embarassment to anybody who supported him. what he will do to our foreign policy will embarrass everyone

reid: john kasich and ben carson also stumping for votes now. do not be surprised if we see one or more candidates drop out of the race tonight. if they still have money left to spend, it will not be a surprise if they also remain in the race. heather: an interesting note going into today' s voting. since the beginning of the year, nearly 20,000 people in massachusetts have dropped their democratic party affiliation, mostly becoming unenrolled. that means they can vote for either party in today' s primary. stay with wcvb as the super tuesday results come in through out the night an abc news special starts at 10:00 followed by newscenter 5 at 11:00. you can also follow the results on the free wcvb mobile app. phil: there are no weather issues if you are heading out to the polls but we are in for some big changes. 24 hours. harvey: temperatures especially.

it has rain, a mix and snow. everything is going that way. that takes the snow to northernmost new england. it gives us mainly rain. the start of the precipitation around midnight. pockets of worcester county could be around the freezing mark and there could be some freezing rain or sleet. look at the warm-up by morning. it will be one of these mornings where you go out, it is windy and warm. everything will flip around as cold air returns after that. the pink color indicating a little bit of sleet or freezing rain is possible. we get some heavy downpours through. into the morning commute and everything will move off to the east. a wind advisory goes into effect because of the southerly winds which could be gusting 40 to 50 miles per hour. one of our computer models showing gusts that can reach 50 along the waters of the south shore. we will let you know about the

snow threat down the road, coming up. heather: new at 5:00 -- these brothers are accused of stealing from a bellingham home with a dead person inside. right now, they are being held on bail. newscenter 5' s jack harper is live in bellingham tonight. even police cannot believe this one. jack: the police say the thieves went in and out of the house multiple times even though the body of the dead men was there since they believe late last summer. >> we didn' t believe the it didn' t make sense, but sure enough, it was a first for us. jack: two brothers, steven and mark landry, charged with robbing the home of a dead man, edward gibson. the tip from a woman they had been staying with after she says some of the dead man' s checks. s report -- "i observed a body in an advanced stage of decomposition."

brothers made several trips to the house, even though they had to literally walk around and over the dead body. >> they took tv' s, prescriptions and checkbooks. and then they went back in. i think they also pawned some stuff as well. jack: the checkbooks are the key evidence. the brothers allegedly cashing a bunch. the amount missing from mr. gibson' s account between $7000 and $8000. detectives believe gibson died of natural causes. he has no known family and probably died late last summer. >> that' s the part that bothers us the most. not even to notify anybody that there was a body inside. jack: mr. gibson' s car is missing as well and police believes that these may have sold that somewhere along the line. jack harper, wcvb newscenter 5. phil: right now, state police searching for a missing inmate. the department of corrections says this man, barthesday deberry, walked away from a work assignment this morning.

tomorrow. deberry was serving five years for a felony involving a firearm. if you see him, police say do not approach him but call them. workers at a sandwich auto body shop took down an armed robber . craig scott of plymouth attempted to rob cape auto repair using this gun that police recovered at the scene. three workers tackled scott, disarming and holding him down until police arrived. scott allegedly assaulted the three before they were able to restrain him. he is in custody tonight. heather: this fire in dorchester on barry street did nearly $300,000 in damage. firefighters responded to the building around 9:00 a.m. one resident was treated for a non-life-threatening injury. the cause is being investigated. new documents taking us inside the mind of osama bin laden. phil: still to come tonight, what we have learned from the terror leader'

heather: the legal fight between apple and the fbi continues. the accusations made during a congressional hearing. phil: newscenter 5' s coverage of the opioid crisis continues at 5:30. the push for emergency funding being made by local lawmakers. let' s take a look at first alert traffic. this stretch of the mass pike looks fine in both directions. let' s see what we have for the drivetime s. pretty typical around this time of day. about a half hour from the upper deck. 15 minutes from i-93 to the square. 24 minutes from the weston tolls. 495, the stretch looks ok in

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s last will and testament. the late al-qaida leader claimed he had about $29 million in personal wealth. he instructed most of the money to be used on jihad for the sake of allah. the will is one of more than 100 documents seized in the may 2011 raid that killed bin laden at his compound in pakistan. he also wrote a letter to his father asking for prayers upon his death so he could reach the permanent home. phil: the legal battle between apple and the fbi played out on capitol hill today, just one day after a federal judge in new york ruled in a separate case saying apple does not have to help the federal government unlock an iphone at the center of a drug case. from the courthouse to capitol hill -- >> you'

obey in order they don' t want to do and you have not figured out whether you can do it yourself. phil: the case pitting apple against the fbi took center stage. >> we are asking them to take the vicious guard dog away and let us picked the lock. phil: they say they are not asking apple to create a magic key, maintaining the one access to the one iphone belonging to the san bernardino shooter for clues. >> is there somebody else and are there clues? phil: apple has already asked the court to have this court thrown out, arguing unlocking the one iphone compromises the security of millions of others. >> it would be to write a piece of software that we view as the software equivalent of cancer. phil: in a similar but unrelated case, a judge in new york said apple could not be compelled to help unlocking iphone. that ruling has no affect on this case but experts say it is a legal victory for apple that

also weighing in today is attorney general loretta lynch from a cyber security conference. lynch saying for the victims and the public, the government must do everything under the law to fully investigate terrorist attacks. heather: 43 degrees outside. it was a pretty nice day. phil: i thought it was a great day. heather: will it be a great night? phil: it is a great start. heather: if you have to do anything, do it now. the polls are open until 8:00. harvey: there you go. last night, i think many of you may have been asleep, but if you heard the wind you may have asked what is this? we had the wind gusts, but not the thunderstorms this time but enough to produce localized pockets of wind damage. notice of the direction -- coming from the west, northwest. that was the wind direction as cold air started to rush in with a vengeance.

it knocked the temperature back down into the 20' s north and west. we made a respectable temperature recovery. held down a little bit in boston because the wind off the water. it is kind of an early spring situation where the ocean is cooler than the land as we get deeper into march and april. 42 in in boston with a 60 mile per hour wind. away from the coast, worcester is warmer than boston because you don' t have that seabreeze affect. the temperatures are not that important. the air is extremely dry so if we introduced moisture, the temperature would drop a bit as the air becomes saturated but that will not happen until midnight tonight. what battle is going on in the atmosphere -- from bitter cold in eastern canada to warm washington south. you go back to cold air around minneapolis. we will be in a temperature roller coaster. precipitation is on the way for midnight tonight.

1 a.m. -- worcester, orange,. close to 32 degrees they can be freezing rain and maybe some sleet, especially north and west of worcester in the northwest part of massachusetts and parts of interior southern new hampshire. tomorrow morning, most places will have warmed quite a bit as the wind picks up out of the south, especially eastern and southeastern mass. during the day tomorrow, instead of going up late morning and afternoon will be going down. another wind will be busy out of the northwest and very cold air for early march, dropping into the teens and low 20' s by early thursday and high temperatures during thursday in most places will be under freezing despite sunshine. that means we will have a cold air mass in place. first things first, the storm is coming late tonight into tomorrow morning. you can see it is on its way, but you can see it still has real estate to travel so we are dry for now.

a mix off to the north and west for a little while and then the rain takes over. gusty winds as well.a a wind advisory has been posted. southerly winds could be gusting 40 to 50 miles per hour all over again. windy and colder weather follows for the rest. the next seven days -- we start out wet and windy tomorrow and end of colder. friday becomes tricky -- light snow is possible and maybe some more down at the cape. it will depend on how close that storm comes to us. it should be close enough to fringe us since the cape would be kohler -- closer, they will get more. it will get close enough to give us a significant amount of snow which will be remaining to be seen. it will be cold over the weekend before warming next week. heather?

but a vermont family is looking forward to celebrating for years to come. phil: they welcomed a new baby whose big brother' s already have his back. >> will you share your birthday with the baby since he will only have one every four years? >> yes. >> oh, good. phil: my goodness. look how cute. one of three leap day babies born monday at uvm medical center in burlington, vermont. safe to say the family will be hosting some pretty special parties once every four years. heather: they will still celebrate on the 28th or the first every year. heather: he' s the first person to spend a full year in space. phil: tonight, scott kelly is heading back to earth. also up next -- heather: caught on camera -- a giant bus fire at a gas station. the quick action that held an even bigger disaster at bay. phil: banned at the ballot box. new at 6:00, why you need to skip taking a selfie while you'

r kate: my mom and i love shooting hoops. but you know what - p she could still learn a few things from me - p just like i've learned a lot from her. mom helps with homework... rshe helped dad start his business... and she even fought to put bad guys in jail. now, mom helps make laws that help people - tespecially when they need it most. i'm really proud of her. p and she's taught me that with hard work - i can do... anything. kelly: i'm kelly ayotte, kate: and i'm kate. kelly & kate: and we approved

phil: emirates has taken over as having the world' s longest flight. emirates bumped qantas out of that spot monday with its 8819-mile nonstop route between dubai in the united arab emirates and auckland, new zealand. the previous record holder was a qantas' non-stop flight between dallas-fort worth and sydney, australia. nasa wants to bring the ultimate in speed flying to the general public. take a look at this. this is a preliminary design of the supersonic jet. nasa has granted a $20 million contract to lockheed martin to develop a passenger jet that can fly faster than the speed of sound. the space agency says the plan is intended to make flying safer, greener and quieter. heather: his launch was nearly one year ago. the mission brought astronaut scott kelly to space. tonight, he will make his return to earth. kelly' s 340-day mission beats

than 100 days. nasa hopes the research will bring them closer to a manned mission to mars. abc' s lauren lyster has more on his homecoming. lauren: scott kelly sweeting this

announcer: this is wcvb newscenter 5 at 5:30 p.m. phil: phil: the driver of the runaway red line train admits to flipping the switch.

through several stops with passengers on board after the operator, david vasquez, left the controls. he has been fired. heather: the first case of zika has been confirmed in new hampshire. the woman contracted the virus through sexual contact with her husband. he was traveling through a country dealing with the outbreak. the woman is not pregnant. phil: the massachusetts secretary says we could be looking at record turnout this super tuesday. heather: donald trump is driving a lot of it. kelley tuthill reports tonight. kelley: for the first time joe and marie find themselves grabbing democratic primary ballots and voting for the same candidate -- bernie sanders. >> today is nice. kelley: usually, her father votes republican. >> something has to happen or this country is gone. kelley: this unusual election season with its unconventional