. >> how could you? >> how do you recover? >>presidentobamawillbe in boston tomorrow to help there. vigils of course going all over, a vigil, last night in boston common not far from the bombing scene. >> that's right. two vigils one was for martin, the 8-year-old. another one that was for everybody who was hurt, who was killed, who was there, who just need to come together and be part of a community in moments like this. understandably they wanted to support each other. in times like this that's what is needed. >> harvard, boston university planning vigils. >> there will be more, i am sure. >>> all right, as the search for clues continues in boston, diane sawyer sat down with one man who knows all too well what it feels look to lead a city under attack. former new york city mayor rudy giuliani said we still don't know how much evidence was caught on camera. >> they have a lot of surveillance cameras in boston. more than new york. less than london. you have very much focused on event with the lives of people. professional cameras, amateur cameras. it may be that some person photogr

't running they wouldn't have been hurt. >>presidentobamaisvowing those responsible for the bombing will feel the full weight of justice. and the commander-in-chief promised all federal resources at hand. >> i have also spoken with governor patrick and mayor menino and made it clear they have every single federal resource necessary to care for victims and counsel the families. an that all americans stand with the people of boston. >> the white house says the attack is being treated as an act of terrorism. >> in washington, lawmakers observed a moment of silence. moments after getting word about the boston explosions at the capitol, flags low lowered to half staff. house speaker boehner, said while this is a terrible day the american spirit will help us carry on. our coverage of the terror at the boston marathon does not end here. later this half-hour, the banner headlines from the newspapers worldwide, covering the developing story. stay with us us abc news and abc news.com all day long. >> to other major headlines we are following this morning the a plan to reform the nation's immi

have been charged with crimes, would not be eligible. >>>presidentobamawillhost south korea's newly elected first female president at the white house next month. they will observe the 60th anniversary of the alliance between the u.s. and south korea. also high on their agenda, efforts to counter the nuclear threat posed by north korea. >>> in venezuela, demand for a recount in the presidential election. ballots were ignored leading to an anti-government protest. the election results were certified. the winner by a razor thin margin less than one percentage point hand-picked by president late hugo chavez to carry on the separatist union. >>> following the boston bombings, scotland yard is beefing up the already extraordinary security measures they already put in place for margaret thatcher's funeral tomorrow. hundreds of military troops will be visible along the procession route through the streets of london. and with so many dignitaries that are expected to attend shortstops, including queen elizabeth and former prime minister, scotland yard is fine tuning its behind the scenes secu

,000 flights every day. >>>presidentobamaisamong those expected to attend a memorial service thursday for victims of the texas fertilizer explosion. families got their first look at damage to their homes on the outskirts of the blast zone. some of them devastated to find pets lost, but hoping to at least pick up the pieces and rebuild. 14 people died in the explosion. 12 of them first responders. two residents of an apartment complex also died. >>> much of the midwest, record floodwaters have started to recede in some spots. but others still face significant risk. the water-logged village of fox lake, about 55 miles from chicago, virtually impassable. it's expected to stay that way for several more days. water levels are so high, some residents reported seeing carp swimming in their driveways. pull out the fishing pole. >>> in south dakota, snow was the problem. up to a foot of it in some areas. it wasn't that light, flakey stuff either. it was heavy, wet snow that was tough to shovel up. good news, forecasters are saying this was probably the last big storm of the season. >> aren't w