A man was arrested after allegedly beating a 63-year-old man in a wheelchair in Santa Ana on Sunday morning. The witness said the attacker then fled the scene on foot, leaving the victim bleeding heavily from the head. Orange County Fire Authority Medics arrived and transported the victim to a local hospital. Police said the victim suffered severe head injuries and “remains in grave condition.” Santa Ana Police Department Homicide Detectives ask anyone who witnessed the incident or has additional information to please contact Corporal M. Lemmon at MLemmon@santa-ana.org or 714-245-8340.