neighbors called walter nolan a friendly guy. but they say they didn't see much of his son. >> he'd come out for five minutes and go back in again. he never talked to anybody. he obviously had issues. >> reporter: as for officer arkell he leaves behind a wife and two teenage daughters.

neighbors called walter nolan a friendly guy. but they say they didn't see much of his son. >> he'd come out for five minutes and go back in again. he never talked to anybody. he obviously had issues. >> reporter: as for officer arkell he leaves behind a wife and two teenage daughters. >> i join all granite staters in mourning the loss of brentwood police officer steve arkell, who died tonight doing his job, protecting his community. >> the governor has ordered all flags in new hampshire to be flown at half-staff to honor officer steven arkell. >>> and now to our other big story this morning. widespread drenching rain causing serious fooding and damage overnight. >> a powerful line of storms making its way east. that's spawned tornadoes. and it's dumped several inches of rain. >> abc's tahman bradley has the details. >> reporter: this morning, millions in the heartland are cleaning up after 48 hours of severe weather. >> big-time tornado, guys. >> reporter: violent tornadoes ripped through nearly a dozen states. >> you guys okay?

hubiera inflado como globo que luego explotÓ, luego se consumiÓ la estructura, los vecinos dicen que walter nolante del policÍa se investiga como un homicidio, trabajÓ por 15 aÑos y era padre de dos hijos. >> me uno al dolor de la comunidad por la perdida del oficial arcold que muriÓ protegiendo nuestra comunidad. >> la fiscalÍa de new hampshire dice que el parecer el hijo del dueÑo de la vivienda fue quien prendiÓ fuego, nolan murió calcinado dentro de la casa su padre no resultÓ herido pero recibiÓ atención en un hospital por lesiones menores, fÉlix. >> impresionante caso, vilma, un hombre que embistiÓ con su camiÓn la sede de una estación de televisiÓn en maryland al descender del vehÍculo afirmÓ ser dios y luego desapareciÓ, la policÍa iniciÓ una intensa bÚsqueda y a pesar de no haber hallado armas en el interior del camiÓn considera que el hombre puede ser peligroso lo que motivÓ a realizar esta acciÓn. decenas de personas fueron evacuadas. la presencia de humo en una estaciÓn obligó a detener temporalmente la salida y llegaba de vuelos internacionales de chicago, 300 fueron vuelos suspendid

late monday afternoon allegedly by two people who lived inside of the suburban home. 86-year-old walter nolann fire. then the home that cost an estimated $250,000 was set on fire, leading to this explosion. the first officer to arrive on scene was 48-year-old steve arkell, a father of two teenage girls killed by the alleged shooter michael nolan upon entering the house. >> we heard the explosion. i felt it. then we went in to watch tv and we were watching tv and we saw the house. they showed it. >> reporter: according to new hampshire attorney general, joseph foster nolan was killed by fire or explosion. >> another police officer arrived and entered the home but was driven out by gun fire. other officers arrived and a short time later the home was engulfed in flames and later exploded. it's believed mr. nolan was killed by the fire or the explosion. >> neighbors told us they saw an older man leaving the house in a stretcher believed to be the owner of the home, walter nolan a motive for the domestic dispute that turned deadly is still unknown. josh haskell, abc news, brentwood, new hampshire.

>> that house, gretchen, is owned by 86-year-old walter nolan, also living at the house was his 47-year-old michael nolan. apparently the two men got into a heated verbal argument yesterday afternoon. a neighbor heard it, called 911. officer arkell was the first to respond, shot dead almost immediately as he entered the house. shot by the younger michael nolan. the older man at that point escap escaped. we saw him on the cameras being taken away on a stretcher. his injuries were not serious. michael nolan, the 47-year-old son, stayed in the house continuing to fire his weapons at officers who were gathering around it. and then apparently set some sort of fire inside the building. that burned for about an hour and then suddenly what you see right there, that huge explosion. michael nolan's body was later found in the rubble of the building. an autopsy is currently under way. it's not clear whether he died as a result of the fire or whether it was from a self-inflicted gunshot wound. police emphasized at a news conference a short time ago that they did not return fire at any point. >> and unf

month-old michael nolan we are told by officals, he lived in that property with his 86-year-old father walter nolanll for nolan was removed before the fire and explosion on a stretcher. you see him there. he appears to be sitting up to some extent. his injuries whatever they were did not appear to be serious but we have no word on his condition now. then of course there is officer steven arkell, he was 48 years old. a part time officer for 15 years. the father of two teenaged girls and he coached lacrosse at exeter high school. >> i join all granite staters in mourning the loss of brentwood police officer steve arkell who died doing his jock, protecting his community. >> reporter: the governor ordered all flags to fly at half staff today. we are also expecting a new conference by the new hampshire attorney general at 1:00 p.m. we'll get a lot more details on what preceded these tragic events. martha: what a loss and what a tragedy for the family and the school and the community. bill: stunning siept to see that. you don't expect that to be the next thing to happen and it did. severe flooding hittin

his father, 86-year-old walter nolan, who owns the house is seen here being carried out on a stretcher. police evacuated those nearby, but firefighters were able to contain the flames before they spread to other homes. >> petrified because our house is right next door, for one thing. it's just crazy. it's just crazy. we're all shaken and everybody is shaken. >> reporter: police still don't have many of the details surrounding the shooting or the fire. many are mourning the loss of their colleague, officer arkel, who is survived by his wife and two children. >> i join all granite staters in mourning the loss of brentwood police officer steve arkel, who died tonight doing his job, protecting his community. >> reporter: state police said atf agents have been here all night long sifting through the debris, looking for some clues. new hampshire officials later today are planning to hold a press conference to hopefully give us some answers as to what led to this tragic incident. >> thanks. >>> american drones and manned spy planes are making surveillance flights over n nigeria this morning.

. >> reporter: the house belonged to 86-year-old walter nolan, seen here on a stretcher. he shared the home with his 47-year-old son, michael. officials say the men were arguing before the explosion. the younger nolan didn't survive. >> it is believed mr. nolan was killed by the fire, or the explosion. >> reporter: the slain officer was part of the force for 15 years. he leaves behind a wife and two teenage daughters. robin? >> so incredibly sad. thank you. >>> now, to the desperate search for the missing schoolgirls. the government is talking with the terror group in nigeria. and american-manned missions are under way. they're trying to locate the girls. hamish macdonald is in nigeria with us for the latest. good morning, hamish. >> reporter: we can confirm that the government is talking to the syrian leadership of boko haram. this morning, the u.s. is sharing vital intelligence with nigeria, handing over satellite imagery, running manned surveillance flights, to help find those girls. this video may prove they're alive, claiming to show at least 100 of the missing, dress

nolan was killed. he lived at the dpu plex with his 86-year-old walter. he was taken to the hospital with unknown injuries. plus bass elling for more than 24-hours firefighters in northern texas managed to stop the spread of this a destructive wildfire 156 structures were destroyed 89 were homes. 21 people remain evacuated. they concentrated on hot spots they say are still smoldering. ainsley in? >> michael sam praised for being the first openly gay player daft drafted in the nfl. why are christian players like tebow mocked for their beliefs. >> you praise sam for being gay but mock tebow for being a christian. that brings us to look who is

nolan was killed. he lived at the dpu plex with his 86-year-old walter.s taken to the hospital with unknown injuries. plus bass elling for more than 24-hours firefighters in northern texas managed to stop the spread of this a destructive wildfire 156 structures were destroyed 89 were homes. 21 people remain evacuated. they concentrated on hot spots they say are still smoldering. ainsley in? >> michael sam praised for being the first openly gay player daft drafted in the nfl. why are christian players like tebow mocked for their beliefs. >> you praise sam for being gay but mock tebow for being a christian. that brings us to look who is talking. he says the nfl has a clear bias. >> i think the nfl sends a clear message. that message was it's okay if you are an nfl player for you to embrace your boyfriend on national television but it is not okay for you to embrace your faith. we saw last year where there were those involved in the draft were speculating on where tebow might go no team will pick him up because of the media circus that will follow him. there