lana zak, abc news, wwashington. now here's a look at what's recapping today's top stories, cedar rapids police during the flood of 2016. and now, they're getting some help in return. and the u-s is doing well in the work goes to zach johnson. tonight at 6. stabbed and killed an 18-year-old this morning. police responded to 67-25 college park court emergency responders took an 18-year-old man with stab wounds to mercy medical center where he died. police haven't made any arrests, but don't think the public is in danger. recapping today's top stories, thousands of people in cedar rapids re-entered their homes for the first time today since evacuating before the flood. the city has re-opened the entire evacuation zone, allowing people who live and work there to go back in. the downtown area in the flood zone, including the downtown bridges, will re-open at seven a-m tomorrow also start at seven a-m tomorrow. today, people started dropping off wet and dry sandbags they used to protect their homes and businesses in cedar