Officials investigate dozens of sick Sioux City elemtary students

SIOUX CITY, Iowa (AP) - Officials are investigating what may have caused 45 students at a Sioux City elementary school to get sick with a gastrointestinal illness.  Sioux City school district spokeswoman Alison Benson says the students from Bryant Elementary either called in sick Thursday or were sent home early. Three staff members also called in sick.  Symptoms included vomiting and diarrhea.  Siouxland District Health is investigating what may have caused the illness. Deputy Director Tyler Brock says officials will look at lunch menus and reports of sick employees missing work.