A suspect seen starting fires with a blow torch in a Los Angeles neighborhood Thursday afternoon is not being charged with arson because a police investigation found “no probable cause.” The man is still being detained on a felony probation violation amid the ongoing investigation, Los Angeles Police Department Assistant Chief Dominic Choi said in a press conference Friday. The arrest comes amid growing speculation that at least some of the LA fires were started by arsonists. The suspect was arrested Thursday night on suspicion of arson near the Kenneth fire, a wildfire that started at about 2:30, Thursday afternoon....