A citywide police tactical alert was declared after the confrontation near downtown's Pershing Square.
Gatt called the charge "absolutely horrifying and completely untrue."
"Come on, guys. He’s right there!" KTTV reporter Stu Mundel exclaimed as he covered the police chase from a helicopter.
The Rev. Al Sharpton delivered the eulogy at the funeral for Valentina Orellana Peralta, who was killed by police when a stray bullet pierced a department store dressing room.
Relatives of a 14-year-old Valentina Orellana-Peralta say she loved skateboarding and dreamed of being an engineer.
Chief Michel Moore said five members of the bomb squad have been removed from field duties as the investigation continues.
Los Angeles Police officers fired bean bag rounds and other projectiles at protesters and counter-protesters.
The LAPD is investigating the 32-year-old singer for battery after the unnamed woman claimed he assaulted her during an argument.
Chief Michel Moore said his words were "terribly offensive" and that looting "is not the equivalent of murder."
Officer Salvador Sanchez fatally shot Kenneth French, a 32-year-old nonverbal man with schizophrenia, and critically wounded the man's parents.