water by air and ground. temporary pumps have been brought in, but the water is not safe to drink. there's no word on when the permanent pumps will be back up and running. victor oquendo, abc news. taxi drivers say uber is endangering their livelihood. a tourist had a heart attack and died after getting caught up in the chaos. and a new study is reviving the debate over whether prostate cancer screening saves lives, or whether it creates more stress for patients. the latest research shows screening does lower the risk of death from prostate cancer by as much as one third. it was determined to be most effective for black men and those who lost a parent, sibling or child to the

for expectant moms to talk on the phone as much as they want despite concern over electromagnetic fields. researchers say it does not affect her unborn baby. data was analyzed from 50,000 mother and child pairs. they found no link to problems with communication, neuroskills or other neurological deficits. and while we're talking about pregnancy and babies, britain's young royals are expecting their third. >> prince william and kate made it official. you can bet on what the baby's name will be, but makers have installed as alice followed by victoria and mary. >> when it comes to boys names, arthur, followed by james and henry. >> arthur. >> what about elizabeth? >> arthur. >> there you go. that's a good one. maybe that will help sway the

odds. >> i mean, are we excited by this? mildly. i'm more of a wedding than a sort of baby guy. i get more -- >> weddings are a party. >> i get more ginned up about weddings. >> because you get ginned up at a wedding. not a lot of people do that when a baby's born, but maybe you could start a new trend. there you go. we explore a hidden treasure, buried in the water outside washington, d.c. find out why nearly 200 ships were abandoned on our shores. and an interview with a survivor of the congressional baseball shooting. here's a look at today's temperatures. "world news now" weather, brought to you by gain flings. 's left to rememb...

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congressman steve scalise. >> reporter: it's been almost three months since this virginia baseball field turned into a battlefield. house majority whip steve scalise and three others shot. >> i could see his eyes and the gun, but that was it. then after that, it was like i got to get out of here. >> reporter: now mike mika is speaking out after he was critically injured in that field. what do you think when you walk through those gates? >> i think it's awesome that i'm alive. the incident took six minutes according to the police report. >> reporter: how long did it feel? >> time stopped. >> reporter: the bullet holes are a piercing reminder. >> there's two clipped pieces. this is the first place he shot through.

>> reporter: hodgkinson approaches. >> we yelled gun, i don't know who yelled it first. and we started running. that's when i turned like this and ran that way. and that might have been when i got hit or when i was over there. >> reporter: you still don't know exactly when you got snit. >> all's i know is when i got around to the gate i had blood all over my chest, on my pants. >> reporter: as he runs, a gaping hole in his chest, his instincts kick in. he sees joe barton's 10 year old son jack and pushes him into the safety of this concrete dugout. >> all's i remember is seeing him and thought, there's a kid out here. >> reporter: mika ducks behind a suv, and he's hit again. >> i was like this again. >> reporter: your arm being like that you think protected your head. >> yeah. that saved a head shot, neck shot or another shot to the chest. >> reporter: overhead, bullets fly. scalise's detail are engaged with the

agent griner covers mika, protecting him. >> she got shot in the ankle, used her gun to get back up and reengaged in the shooting. >> reporter: they were the first people mika asked about when he woke up. the only reason those officers were there was because of steve scalise. >> that's right. >> reporter: have you paused to think what might have happened if he hadn't shown up that. >> we'd be talking about a massacre. >> reporter: he is still in physical therapy but has every intention of getting back on the field next year. >> this is supposed to be a safe haven, a sandlot, where people are supposed to have fun. we're not supposed to have violence or shooting. >> reporter: alexandria, virginia. >> good luck to him in his recovery. >> absolutely. coming up, you no longer need fancy equipment to explore an abandoned shipwreck. >> how you can

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♪ i like that music. you like that, yeah. a giant hidden

just beneath the water outside the nation's capital. >> here's abc's serena marshall. >> reporter: on this peaceful stretch of the potomac, 30 miles from the hustle of washington, d.c. lies the largest ship graveyard in the western hemisphere. this is mallow's bay, home to more than 180 vessels, decaying in the shallow waters, some more than three centuries old. many of them wooden steamships interest the first world war. >> the boats were built really quickly, in the span of two years. there was a massive national push to build this fleet of ships in world war i. but by the time think completed them, the war was over. so the ships were sold and eventually scrapped. >> reporter: obsolete, they were burned in 1925 and left here, creating the ghost fleets of mallows bay. when the tide goes down,

ships lurking beneath the surface rise. there we go. to fully appreciate the splendor, kayaking out, we explore the wrecks. many now covered. nature swallowing the remains. in front of us we see these two excerpts of what appears to be land. >> it's boats. it's ships. >> reporter: they're ships? >> shipwrecks. right there, right there and right there. as you get up close, you'll be able to see the old hulls of the ship have become flowerpots. >> reporter: the ghost fleet only comes out at low tide. and when it does come out, you can get up close and personal and touch the wood and metal that made up these world war i ships. >> it's like something you'd see in disneyland, but it's real. >> reporter: this ghost fleet growing into a wildlife sanctuary, with what remains now home to thriving populations of birds, oysters and crab. >> it has

there's very little structure for plants and animals to latch onto. and the ships have given structure within this bay. >> reporter: the bay under consideration to become a national marine sanctuary. if approved by the government, it would be the first in more than two decades. one of the largest and most recent ships, the akamak, a one-time ferry made obsolete, left like the others with a new purpose. serena marshal, abc new ths, mallows bay, maryland. >> pretty cool that they remained there all this time. >> they build them quick, cheap, but not fast enough. the war ended and there they are. >> reporter: the very few that were completed in time, most of them had leaks anyway. so they couldn't send them out. >> now people like serena, kayaking around having a lovely

time. >> there you go. coming up, the marvel universe is plachbing an invasion. >> wait until you hear the behind the scenes stories coming up next. you're watching world news now.

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>> reporter: it explores the story of a family of genetically altered super humans who live on the moon. >> you've got a king, a queen, brothers and sisters, a 2,000-pound teleporting dog. >> are we supposed to follow our king? >> reporter: he has a voice so powerful, the slightest whisper can destroy his city. you're taking on a role now where you can't speak at all. how do you blend that with the acting? >> you're so used to the brai brain/mouth connection that your mouth wants to take over. and i would be craning my head over. and i depended on her character, her character's my translator. >> reporter: sarenda swan stars as maduesa. her weapon? her hair. >> any movement i did, the hair ended up doing it, but i'd be here like angry hair,

hair. moving. >> reporter: which brings me to no hair. >> no hair. >> contact black ball. >> reporter: there are story lines where she has had her head shaved. >> reporter: stripped of her hair, med usa's forced to go back to the days before she had her super power. >> it brings you back to the days before her -- >> reporter: how does she go on? >> that's why you have to watch the show. >> reporte >> i tried, i tried so hard. they wouldn't give you any spoilers. >> if he talks, he destroys the world. >> so black bolt's power is that, even the slightest whisper can destroy the city. so he has learned and trained himself not to speak. here's the cool part,anson developed his own sign language and taught it to

language with their hands. they form there had own language

this morning on world new the now, hurricane irma sets her sights on america's east coast. >> and states of emergency have been declared in florida. as the world struggles with how to deal with north korea, more military muscle might be flexed by the south and its american ally. and with reporting of a coming mafl launch in the coming days, the ambassador is calling out kim jong un as begging