By the Associated Press:
Authorities say one person has been killed and two others were critically wounded in a shooting outside an Iowa school.
Des Moines police said in a news release that the gunfire that struck the victims on the grounds of East High School in Des Moines appeared to come from a passing vehicle. The school was initially locked down but now students are being allowed to go home.
Police said they do not believe there is a continued threat to the public. A motive for the shooting was not immediately released.
