A July confrontation on Main Street in Dallas led to the victim's death after getting pushed down a flight of stairs, and the suspect's charges being upgraded to murder.

Dallas Main Street confrontation What we know: 21-year-old Josiah Gomez was arrested on July 22 and charged with aggravated assault causing serious bodily injury in connection to a July 5 confrontation at a Dallas bar.

An arrest affidavit states on July 5, Gomez got into a verbal argument with 26-year-old Sylvester Victor at the Vidorra Bar on Main Street in Dallas.