From Mesa, Ariz.: A homicide investigation is underway after a child died from injuries. The child, a 2-year-old, was taken to a hospital where doctors found suspicious bruising across the body. This led to police being contacted and an investigation being launched.

A professional fighter, identified as a 23-year-old, has been named as a suspect in the case. The suspect is also accused of abusing his own 1-year-old child.

Further details about the incident are available from the source, including the events that led to the child's death and the suspect's arrest.