ODESSA — Detectives arrested three motorcycle gang members on charges that they executed the leader of a rival gang, saying they fatally shot him in his truck as he sat at a red light in the middle of rush hour traffic. Pasco Sheriff Chris Nocco said he fears that Thursday’s public burst of violence could ignite a war between local chapters of two infamous motorcycle gangs: the Outlaws and the 69ers Motorcycle Club. Nocco announced the arrests Friday. He said both gangs have national footprints, and investigators believe members from around the country may come to Florida because of the...