. >> reporter: iowa's governor toured flood damage in the town of hornick. last week a mandatory evacuation order was issued for the town. >> a lot of water. we're looking at 111 homes in hornick. >> reporter: dozens had to leave their homes in central wisconsin as the crawfish river threatened to cut off entire neighborhoods. >> the water is still a little bit unpredictable, from what i understand. it seems like we're holding steady right now. >> reporter: residents in the path of the flooding can do little except wait. dan scheneman, nbc news. >>> now to the tragedy in new zealand. the world is mourning the loss of the 50 victims killed in friday's terror attacks in christchurch, new zealand. another 50 people were injured and authorities are ramping up their efforts to help identify the victims. but as some mourn, dozens more are holding on to hope. they are holding pictures of their loved ones in hopes that someone will recognize them. the country's prime minister hopes to have all the bodies released by wednesday, but timing is a major factor because is

his rents of hornick, iowa, were evacuated before the worst unfolded. they were allowed to return sunday for a few hours and assess the damage to their homes. >> the emergency manager that's been in that position for 13 years says he has never seen anything like it. every single levee was overtopped, water coming in from every direction. >> reporter: back here in nebraska, rivers are not expected to go below major flood level until sometime on friday. in fact video of those rivers are still rising and this area could get another inch of rain come tomorrow. when we talk about the communities in the northern area, states like missouri and kansas, they are now bracing for more flooding to hit in their direction because those rivers are now starting to recede. >> boy, the last thing they need is more rain. thank you very much, demarco. >>> the prime minister of new zealand vows to reform her country's gun laws in response to the worst mass shooting in the country's modern history. 50 people were killed when a gunman opened fire on friday at two different mo