Here is the latest Iowa news from The Associated Press

DES MOINES, Iowa (AP) — Governor Terry Branstad is authorizing the Iowa National Guard to increase security and arm additional personnel at facilities, including recruiting stations. Last Thursday, Muhammad Youssef Abdulazeez opened fire at a military recruiting office and a Navy-Marine operations center in Chattanooga, Tennessee, killing four Marines.

DAVENPORT, Iowa (AP) — A 53-year-old Davenport man convicted of assault in the fight death of his brother-in-law has been sued by the man’s family. The Quad-City Times says the lawsuit was filed last month on behalf of the family of Douglas Whalen. Police say Van Hecke and Whalen got into an altercation during a vow renewal for Van Hecke and his wife, who is Whalen’s sister, at a park in Davenport in June 2013.

SABULA, Iowa (AP) — Iowa highway crews had to plow a bridge crossing the Mississippi River because of ankle-deep mayflies that swarmed the span. The Dubuque Telegraph Herald reports the insects on Saturday night swarmed to the Savannah-Sabula bridge, connecting Iowa and Illinois. The bugs covered the bridge so thickly, and caused such slick conditions, that crews plowed the bugs off the lanes and applied sand for traction.

NEWTON, Iowa (AP) — IndyCar rookie Sage Karam’s biggest step forward was overshadowed by altercations with veteran Ed Carpenter After the race Carpenter said that Karam “didn’t have a clue.” Karam maintains that he wouldn’t change a thing if he had to race the final 20 laps over again, and he finished third in Saturday’s race at Iowa.