Here is the latest Iowa news from The Associated Press
SIOUX FALLS, S.D. (AP) – South Dakota U.S. Senate candidates are bringing in top guns to campaign on their behalf as the race draws increasing national attention. U.S. Sen. Tom Harkin from Iowa will participate in an event in support of Democratic candidate Rick Weiland Tuesday in Sioux Falls, while former Arkansas Gov. Mike Huckabee will be stumping for Republican candidate Mike Rounds on Friday. Weiland, Rounds and independents Larry Pressler and Gordon Howie are vying for the seat being vacated by retiring Sen. Tim Johnson.

DES MOINES, Iowa (AP) – The Libertarian Party candidate for governor says the party’s candidate for U.S. Senate put his heart and soul into running with a firm belief in individual liberty. Dr. Douglas Butzier (BUT’-zeer) died when the plane he was piloting crashed around 11 p.m. Monday near Dubuque Regional Airport. The party’s candidate for governor, Dr. Lee Hieb, says Butzier just last weekend had flown her and several Libertarian Party candidates around the state to campaign.

DES MOINES, Iowa (AP) – Health officials have identified three cases of influenza in Iowa. The state Department of Public Health says the cases were reported in Henry, Johnson and Polk counties. Additional information was not released. The State Hygienic Laboratory’s confirmation of the cases indicates influenza activity remains at a low level in Iowa. However officials say it indicates the virus is circulating in the state.

DES MOINES, Iowa (AP) – The Libertarian Party candidate for governor says the party’s candidate for U.S. Senate put his heart and soul into running with a firm belief in individual liberty. Dr. Douglas Butzier (boot-ZEE’-ay) died when the plane he was piloting crashed around 11 p.m. Monday near Dubuque Regional Airport. The party’s candidate for governor, Dr. Lee Hieb, says Butzier just last weekend had flown her and several Libertarian Party candidates around the state to campaign.