The death of Homer Joel Cortez Jr. earlier this year in Irving police custody has been ruled a homicide, records show.

One police officer was killed in the line of duty and another was critically injured in a shooting at a Chicago hospital by a suspect who was brought in to the emergency department, officials said.

D.C. police officer Wayne David died on Wednesday evening after he suffered an accidental self-inflicted gunshot wound while trying to recover a weapon from a storm drain, police have announced.