Here is the latest Iowa news from The Associated Press…

WATERLOO, Iowa (AP) — Authorities are investigating a stabbing in Waterloo that resulted in the death of a 29-year-old man. The Waterloo-Cedar Falls Courier reports officers found John Ladell Bass of Waterloo with a single stab wound to his chest shortly after 4 a.m. yesterday. Bass was taken to the hospital where he died.

DES MOINES, Iowa (AP) — The city of Des Moines wants its residents to move around. Several blocks of a major street in Des Moines were shut down yesterday afternoon for Open Streets, an event promoting neighborhoods, local businesses and physical activity. Organizers said the event on University Avenue between 23rd and 41st streets would feature yoga, soccer and dance.

DES MOINES, Iowa (AP) — One year after Southwest Airlines began flying out of Des Moines, airfares at the airport are cheaper. The Des Moines Register reports Airport Director Don Smithey credits Southwest for the lower fares because other airlines adjusted prices to compete. Southwest began offering twice-a-day flights from Des Moines to Chicago last September. The discount airline added a daily flight to Las Vegas yesterday.

DAVENPORT, Iowa (AP) — The criminal case against an eastern Iowa man for growing marijuana highlights the arguments for the medical use of marijuana. Scott County prosecutors say 47-year-old Benton Mackenzie is a drug dealer who had 71 marijuana plants in his house. But the Quad City Times reports Mackenzie suffers from terminal cancer. Mackenzie says marijuana treats the pain and nausea of his illness.